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OpenVMS

Index OpenVMS

OpenVMS is a closed-source, proprietary computer operating system for use in general-purpose computing. [1]

443 relations: A♯ (Axiom), Access control list, Adaptive Communication Environment, Advanced Computer Techniques, Advanced Configuration and Power Interface, Advanced Systems Concepts, Inc., ALGOL 68RS, ALL-IN-1, Alpha 21164, AlphaServer, AlphaStation, Apache HTTP Server, Application Control Management System, Applixware, APSE, Arbitrary-precision arithmetic, ARC (file format), ArcInfo, Arithmetic shift, ARPANET, Asynchronous I/O, Asynchronous System Trap, BeyondTrust, BITNET, BLISS, Blue Screen of Death, Brian Valentine, Bristol Technology, Bsoft, Bvi, C standard library, C0 and C1 control codes, CA Workload Automation AE, Centre for Railway Information Systems, CERN httpd, Charon (software), Child process, Clam AntiVirus, Classic Empire, Clustered file system, COBOL, CodeSynthesis XSD, Columbia MM, Command-line interface, Common Desktop Environment, Common Lisp, CommuniGate Pro, Comparison of ADC software, Comparison of command shells, Comparison of executable file formats, ..., Comparison of file managers, Comparison of file systems, Comparison of integrated development environments, Comparison of Internet Relay Chat clients, Comparison of IPv6 support in operating systems, Comparison of operating systems, Comparison of platform virtualization software, Comparison of relational database management systems, Comparison of SSH clients, Comparison of SSH servers, Comparison of text editors, Comparison of word processors, Computer cluster, Computing platform, Conan the Librarian, Condusiv Technologies, Connect (users group), Control key, Convex Computer, Copy (command), CorVision, CPython, Cross File Transfer, CT Connect, CURL, Curses (programming library), CyberQuery, Dan Sugalski, Dansk Datamatik Center, Data descriptor, Data scraping, DataFlex, DATATRIEVE, Dave Cutler, DBase, DDC-I, DEC 3000 AXP, DEC 4000 AXP, DEC 7000/10000 AXP, DEC Alpha, DEC Multia, DEC Prism, DEC SED (text editor), DEC Text Processing Utility, DECnet, DECpc AXP 150, DECserver, DECstation, DECtape, Del (command), DIBOL, Dick Hustvedt, DIGITAL Command Language, Digital Equipment Corporation, Digital Personal Workstation, Digital Storage Systems Interconnect, Dir (command), Directory (OpenVMS command), Disk operating system, Disk quota, Diskless shared-root cluster, Distributed lock manager, Dld (software), Easter egg (media), Echo (computing), Editor war, EDT (Digital), EiffelStudio, Elxsi, Embedded SQL, EMC NetWorker, Empire (PLATO), Emulator, Energy management system, ENQUIRE, Entry point, Epoch (reference date), Eunice (software), EVE (text editor), Event flag, Excelan, Executable and Linkable Format, Exit (system call), Exit status, Extent (file systems), Fatal system error, Father Christmas (computer worm), FCX file compression, FFF system, File format, File manager, File system, File system permissions, Filename, Filename extension, Files-11, Filetab, Fork (system call), Franz Lisp, Futurebus, Galactic Trader, Geek Code, GeoNet, George B. Purdy, Ghostscript, GNU Emacs, Gold key (DEC), Gopher (protocol), Grace (plotting tool), GT.M, Hacktivism, HADES (software), Hank Levy (computer scientist), Hexspeak, Hierarchical storage management, History of computer clusters, History of Digital Equipment Corporation, History of free and open-source software, History of massively multiplayer online games, History of operating systems, History of the Berkeley Software Distribution, History of the web browser, Home directory, Hoox, Hosts (file), HP 3000, HP BASIC for OpenVMS, HP Integrity Servers, HP Integrity Virtual Machines, HP OpenView, HP Pascal, HP RTR, HP Superdome, HP-Interex, Hypervisor, I/O request packet, IBM RPG, IBM Tivoli Storage Manager, IBM WebSphere MQ, IDL (programming language), In-kernel web server, Index of computing articles, Ingres (database), Innovative Routines International, Internet suite, Interrupt priority level, InterSystems Caché, IPv6 deployment, ISAM, ISCSI, ISO 9660, Itanium, JAMS Scheduler, JED (text editor), Jeffrey Peterson, John the Ripper, Jon Callas, Ken Olsen, Kerberos (protocol), Kermit (protocol), LAND, Language-Sensitive Editor, Lattice C, Le Lisp, Len Kawell, LibreSSL, Linear congruential generator, Links (web browser), List of BASIC dialects, List of commercial video games with available source code, List of compilers, List of file systems, List of filename extensions (A–E), List of live CDs, List of operating systems, List of programmers, List of programming languages by type, List of relational database management systems, List of text editors, List of unusual units of measurement, Living Computers: Museum + Labs, LK421, Local Area Transport, Lotus 1-2-3, LS-DYNA, Lustre (file system), Lynx (web browser), Macsyma, MacWise, Mail-11, Maximum Integrated Data Acquisition System, Memory-mapped file, MicroEMACS, Microsoft Windows version history, MicroVAX, MidasWWW, Mimer SQL, Minicomputer, Mission Thunderbolt, MMDF, Monoculture (computer science), Monolithic kernel, Moria (video game), Mosaic (web browser), Most (Unix), MuCommander, MultiMate, MUMPS, MySQL, Network File System, Newline, Null device, NX bit, OCFS2, October 25, Online help, Open Database Connectivity, Open Interface, OpenLisp, OpenSSL, OpenVMS, Operating system, OPS5, Oracle Corporation, Oracle Rdb, OS/2, OS/360 and successors, OS/8, Page fault, Page replacement algorithm, PALcode, Paris Métro Line 14, Path (computing), Pathworks, PCLSRing, Perforce Jam, Philip Bourne, PL/I, PL/M, Poplog, POSIX, Preboot Execution Environment, Preemption (computing), Process isolation, PROIV, Protection ring, PureMessage, PVCS, Pwd, Pyramid Technology, QIO, Radio teleswitch, RAID, Rasmus Lerdorf, Ratfiv, Raxco, Record Management Services, Record-oriented filesystem, Ren (command), Rexx, Rich Skrenta, RMX (operating system), Root directory, Rosegarden, RSCS, RSTS/E, RSX-11, RT-11, RText, RTL/2, Ruby MRI, Runoff (program), S-algol, S-Lang, Samba (software), SAS (software), SCM (Scheme implementation), SDL, Secure attention key, Secure Shell, Security-evaluated operating system, Sequence And Batch Language, Server Message Block, Shadow Copy, Shar, Shared resource, SheerPower4GL, Silicon Glen, SIMH, Single system image, Slash (punctuation), Slrn, SMG$, SoftPC, Source-to-source compiler, Spawn (computing), SPSS Modeler, Star coupler, Stephen Tweedie, STOIC, Stratus VOS, SuperCalc, Superuser, SVNKit, SydneyPLUS International, Symbian, Synergy DBL, System programming language, System Reference Manual, System time, Systems Concepts, Tactician (company), Tadpole Computer, Talk (software), Tandem Computers, TAO (software), Tartan Laboratories, TCPware, TECO (text editor), Temporary folder, Terry Shannon (IT), Text-based user interface, The 414s, The Cuckoo's Egg, Tidal Enterprise Scheduler, Time-sharing, Time-sharing system evolution, Timeline of operating systems, Timeline of virtualization development, Tin (newsreader), TLD Systems, ToolTalk, TOPS-20, Transaction processing system, Transbase, Transportable Applications Environment, Tru64 UNIX, Tuxedo (software), TYPE (DOS command), Tz database, Ultrix, Uname, Underground (Dreyfus book), Uniface (programming language), Unified Extensible Firmware Interface, Unit Control Block, Unix, Uptime, UTOPIA (bioinformatics tools), UUCP, VAX, VAX 7000/10000, VAX 9000, Vax Common Lisp, VAX Macro, VAX-11, VAXELN, VAXft, VAXmate, VAXstation, Vermilion, Versioning file system, Victor Bahl, Vile (editor), Vim (text editor), Virtual memory, VMS, VMScluster, VSI, VT1000, Vulnerability (computing), WANK (computer worm), WATFIV, WavPack, Web-Based Enterprise Management, Wget, Windows 9x, Windows NT, Windows Script Host, Workstation, WxWidgets, X Window System, Xitami, Xv (software), Xyzzy (computing), Zardoz (computer security), Zoltán Árpádffy, Zoo (file format), ZOPL, .exe, 3Server, 64-bit computing, 7-Zip. Expand index (393 more) »

A♯ (Axiom)

A♯ (pronounced: A sharp) is an object-oriented functional programming language distributed as a separable component of Version 2 of the Axiom computer algebra system.

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Access control list

An access control list (ACL), with respect to a computer file system, is a list of permissions attached to an object.

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Adaptive Communication Environment

The Adaptive Communication Environment (ACE) is an open source software framework used for network programming.

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Advanced Computer Techniques

Advanced Computer Techniques (ACT) was a computer software company most active from the early 1960s through the early 1990s that made software products, especially language compilers and related tools.

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Advanced Configuration and Power Interface

In a computer, the Advanced Configuration and Power Interface (ACPI) provides an open standard that operating systems can use to discover and configure computer hardware components, to perform power management by (for example) putting unused components to sleep, and to perform status monitoring.

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Advanced Systems Concepts, Inc.

Advanced Systems Concepts, Inc.

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ALGOL 68RS

ALGOL 68RS is the second ALGOL 68 compiler written by I.F. Currie and J.D. Morrison at the Royal Signals and Radar Establishment.

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ALL-IN-1

ALL-IN-1 was an office automation product developed and sold by Digital Equipment Corporation in the 1980s.

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Alpha 21164

The Alpha 21164, also known by its code name, EV5, is a microprocessor developed and fabricated by Digital Equipment Corporation that implemented the Alpha instruction set architecture (ISA).

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AlphaServer

AlphaServer was the name given to a series of server computers, produced from 1994 onwards by Digital Equipment Corporation, and later by Compaq and HP.

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AlphaStation

AlphaStation was the name given to a series of computer workstations, produced from 1994 onwards by Digital Equipment Corporation, and later by Compaq and HP.

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Apache HTTP Server

The Apache HTTP Server, colloquially called Apache, is a free and open-source cross-platform web server, released under the terms of Apache License 2.0.

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Application Control Management System

Application Control Management System (Application Control and Management System) (ACMS) is a transaction processing monitor software system from HP for computers running the OpenVMS operating system.

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Applixware

Applixware is a suite of proprietary modular applications for Linux edited by Vistasource, Inc.

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APSE

APSE standing for Ada Programming Support Environment was a specification for a programming environment to support software development in the Ada programming language.

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Arbitrary-precision arithmetic

In computer science, arbitrary-precision arithmetic, also called bignum arithmetic, multiple-precision arithmetic, or sometimes infinite-precision arithmetic, indicates that calculations are performed on numbers whose digits of precision are limited only by the available memory of the host system.

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ARC (file format)

ARC is a lossless data compression and archival format by System Enhancement Associates (SEA).

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ArcInfo

ArcInfo (formerly ARC/INFO) is a full-featured geographic information system produced by Esri, and is the highest level of licensing (and therefore functionality) in the ArcGIS Desktop product line.

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Arithmetic shift

In computer programming, an arithmetic shift is a shift operator, sometimes termed a signed shift (though it is not restricted to signed operands).

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ARPANET

The Advanced Research Projects Agency Network (ARPANET) was an early packet switching network and the first network to implement the protocol suite TCP/IP.

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Asynchronous I/O

In computer science, asynchronous I/O (also non-sequential I/O) is a form of input/output processing that permits other processing to continue before the transmission has finished.

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Asynchronous System Trap

Asynchronous System Trap (AST) refers to a mechanism used in several computer operating systems designed by the former Digital Equipment Corporation (DEC) of Maynard, Massachusetts.

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BeyondTrust

BeyondTrust (formerly Symark) is an American company that develops, markets, and supports a family of privileged identity management and vulnerability management products for UNIX, Linux, Windows and Mac OS operating systems.

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BITNET

BITNET was a co-operative U.S. university computer network founded in 1981 by Ira Fuchs at the City University of New York (CUNY) and Greydon Freeman, Inc.

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BLISS

BLISS is a system programming language developed at Carnegie Mellon University by W. A. Wulf, D. B. Russell, and A. N. Habermann around 1970.

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Blue Screen of Death

A stop error, better known as a Blue Screen of Death (also known as a blue screen or BSOD) is an error screen displayed on a Windows computer system after a fatal system error, also known as a system crash: when the operating system reaches a condition where it can no longer operate safely.

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Brian Valentine

Henry Brian Valentine (born November 28, 1959) is a software executive.

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Bristol Technology

Bristol Technology Inc. was a software development company founded in January 1991 by Keith, Ken, and Jean Blackwell.

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Bsoft

Bsoft is a collection of programs and a platform for development of software for image and molecular processing in structural biology.

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Bvi

bvi is a screen-oriented computer program used to edit binary files.

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C standard library

The C standard library or libc is the standard library for the C programming language, as specified in the ANSI C standard.

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C0 and C1 control codes

The C0 and C1 control code or control character sets define control codes for use in text by computer systems that use the ISO/IEC 2022 system of specifying control and graphic characters.

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CA Workload Automation AE

CA Workload Automation AE (AutoSys Edition) is a workload automation tool supplied by CA Technologies (also known as Computer Associates).

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Centre for Railway Information Systems

The Centre for Railway Information Systems (CRIS) designs, develops, implements and maintains most of the important information systems of Indian Railways.

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CERN httpd

CERN httpd (later also known as W3C httpd) is an early, now discontinued, web server (HTTP) daemon originally developed at CERN from 1990 onwards by Tim Berners-Lee, Ari Luotonen and Henrik Frystyk Nielsen.

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Charon (software)

Charon is the brand name of a group of software products able to emulate several CPU architectures.

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Child process

A child process in computing is a process created by another process (the parent process).

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Clam AntiVirus

Clam AntiVirus (ClamAV) is a free, cross-platform and open-source antivirus software toolkit able to detect many types of malicious software, including viruses.

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Classic Empire

Empire (or Classic Empire) is a turn-based wargame with simple rules.

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Clustered file system

A clustered file system is a file system which is shared by being simultaneously mounted on multiple servers.

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COBOL

COBOL (an acronym for "common business-oriented language") is a compiled English-like computer programming language designed for business use.

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CodeSynthesis XSD

CodeSynthesis XSD is an XML Data Binding compiler for C++ developed by Code Synthesis and dual-licensed under the GNU GPL and a proprietary license.

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Columbia MM

Columbia MM (Mail Manager) is a computer program for reading email using a command-line interface.

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Command-line interface

A command-line interface or command language interpreter (CLI), also known as command-line user interface, console user interface and character user interface (CUI), is a means of interacting with a computer program where the user (or client) issues commands to the program in the form of successive lines of text (command lines).

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Common Desktop Environment

The Common Desktop Environment (CDE) is a desktop environment for Unix and OpenVMS, based on the Motif widget toolkit.

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Common Lisp

Common Lisp (CL) is a dialect of the Lisp programming language, published in ANSI standard document ANSI INCITS 226-1994 (R2004) (formerly X3.226-1994 (R1999)).

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CommuniGate Pro

CommuniGate Pro (CGP) is a scalable carrier grade email server, unified communications server, true FMC solutions as well as development platform all integrated into one.

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Comparison of ADC software

Advanced Direct Connect is a next-generation peer-to-peer file-sharing protocol.

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Comparison of command shells

A command shell is a command line interface computer program to an operating system.

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Comparison of executable file formats

This is a comparison of binary executable file formats which, once loaded by a suitable executable loader, can be directly executed by the CPU rather than become interpreted by software.

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Comparison of file managers

The following tables compare general and technical information for a number of notable file managers.

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Comparison of file systems

The following tables compare general and technical information for a number of file systems.

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Comparison of integrated development environments

The following tables list notable software packages that are nominal IDEs; standalone tools such as source code editors and GUI builders are not included.

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Comparison of Internet Relay Chat clients

The following tables compare general and technical information between a number of IRC client programs which have been discussed in independent published literature.

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Comparison of IPv6 support in operating systems

This is a comparison of operating systems in regard to their support of the IPv6 protocol.

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Comparison of operating systems

These tables provide a comparison of operating systems, of computer devices, as listing general and technical information for a number of widely used and currently available PC or handheld (including smartphone and tablet computer) operating systems.

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Comparison of platform virtualization software

Platform virtualization software, specifically emulators and hypervisors, are software packages that emulate the whole physical computer machine, often providing multiple virtual machines on one physical platform.

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Comparison of relational database management systems

The following tables compare general and technical information for a number of relational database management systems.

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Comparison of SSH clients

An SSH client is a software program which uses the secure shell protocol to connect to a remote computer.

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Comparison of SSH servers

An SSH server is a software program which uses the secure shell protocol to accept connections from remote computers.

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Comparison of text editors

This article provides basic comparisons for common text editors.

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Comparison of word processors

This is a comparison of word processing software.

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Computer cluster

A computer cluster is a set of loosely or tightly connected computers that work together so that, in many respects, they can be viewed as a single system.

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Computing platform

A computing platform or digital platform is the environment in which a piece of software is executed.

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Conan the Librarian

Conan the Librarian is a common and perennial parody of Robert E. Howard's Conan the Barbarian that has become a literary trope, and has appeared in various media, including film, radio, television, comics, and fan fiction.

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Condusiv Technologies

Condusiv Technologies is a software company based in Burbank, California.

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Connect (users group)

Connect, a 501(c)(6) non-profit association, is the largest independent enterprise business technology community for Hewlett Packard Enterprise.

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Control key

In computing, a Control key is a modifier key which, when pressed in conjunction with another key, performs a special operation (for example, C); similar to the Shift key, the Control key rarely performs any function when pressed by itself.

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Convex Computer

Convex Computer Corporation was a company that developed, manufactured and marketed vector minisupercomputers and supercomputers for small-to-medium-sized businesses.

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Copy (command)

In computing, copy is a command in RT-11, RSX-11, OpenVMS, DOS, OS/2 and Microsoft Windows operating systems.

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CorVision

CorVision is a fourth generation programming tool (4GL) currently owned by Attunity, Inc. CorVision was developed by Cortex Corporation for the VAX/VMS ISAM environment.

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CPython

CPython is the reference implementation of the Python programming language.

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Cross File Transfer

CFT (Cross File Transfer) (product name: Axway Transfer CFT) is a secure computer file transfer program and protocol from Axway Inc, used extensively in France and banking industries in Europe.

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CT Connect

CT Connect is a software product that allows computer applications to monitor and control telephone calls.

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CURL

cURL (/kɝl/ or /kə:l/) is a computer software project providing a library and command-line tool for transferring data using various protocols.

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Curses (programming library)

curses is a terminal control library for Unix-like systems, enabling the construction of text user interface (TUI) applications.

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CyberQuery

Cyberquery is a software product of Cyberscience Corporation Inc.

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Dan Sugalski

Dan Sugalski was the initial designer and chief architect for the Parrot process virtual machine that was initially created to run Perl 6.

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Dansk Datamatik Center

Dansk Datamatik Center (DDC) was a Danish software research and development centre that existed from 1979 to 1989.

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Data descriptor

In computing, a data descriptor is a structure containing information that describes data.

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Data scraping

Data scraping is a technique in which a computer program extracts data from human-readable output coming from another program.

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DataFlex

DataFlex (formerly known as Visual DataFlex) is a visual tool for developing Windows, web and mobile software applications on one framework-based platform.

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DATATRIEVE

DATATRIEVE is a database query and report writer tool from Hewlett-Packard.

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Dave Cutler

David Neil "Dave" Cutler Sr. (born March 13, 1942) is an American software engineer, a designer, and a developer of several operating systems in the computer industry.

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DBase

| influenced.

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DDC-I

DDC-I, Inc. is a privately held company providing software development of real-time operating systems, software development tools, and software services for safety-critical embedded applications, headquartered in Phoenix, Arizona.

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DEC 3000 AXP

DEC 3000 AXP was the name given to a series of computer workstations and servers, produced from 1992 to around 1995 by Digital Equipment Corporation.

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DEC 4000 AXP

The DEC 4000 AXP is a series of departmental server computers developed and manufactured by Digital Equipment Corporation introduced on 10 November 1992.

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DEC 7000/10000 AXP

The DEC 7000 AXP and DEC 10000 AXP are a series of high-end multiprocessor server computers developed and manufactured by Digital Equipment Corporation, introduced on 10 November 1992 (although the DEC 10000 AXP was not available until the following year).

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DEC Alpha

Alpha, originally known as Alpha AXP, is a 64-bit reduced instruction set computing (RISC) instruction set architecture (ISA) developed by Digital Equipment Corporation (DEC), designed to replace their 32-bit VAX complex instruction set computer (CISC) ISA.

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DEC Multia

The Multia, later re-branded the Universal Desktop Box, was a line of desktop computers introduced by Digital Equipment Corporation on 7 November 1994.

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DEC Prism

Prism is a 32-bit RISC instruction set architecture (ISA) developed by Digital Equipment Corporation (DEC).

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DEC SED (text editor)

DEC SED was a multiplatform text editor for TOPS-10, TOPS-20 and VMS written in the early 1980s by A. Christopher Hall.

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DEC Text Processing Utility

DEC Text Processing Utility (or DECTPU) was a language developed by Digital Equipment Corporation (DEC) for developing text editors.

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DECnet

DECnet is a suite of network protocols created by Digital Equipment Corporation.

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DECpc AXP 150

The DECpc AXP 150, code-named Jensen, is an entry-level workstation developed and manufactured by Digital Equipment Corporation.

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DECserver

In computer networking, DECserver initially referred to a highly successful family of asynchronous console server / terminal server / print server products introduced by Digital Equipment Corporation (DEC) and later referred to a class of UNIX-variant application and file server products based upon the MIPS processor.

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DECstation

The DECstation was a brand of computers used by DEC, and refers to three distinct lines of computer systems—the first released in 1978 as a word processing system, and the latter (more widely known) two both released in 1989.

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DECtape

DECtape (originally called Microtape) is a magnetic tape data storage medium used with many Digital Equipment Corporation computers, including the PDP-6, PDP-8, LINC-8, PDP-9, PDP-10, PDP-11, PDP-12, and the PDP-15.

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Del (command)

In computing, del (or erase) is a command in all DOS, OS/2 and Microsoft Windows command line interpreters (shells) such as COMMAND.COM, cmd.exe, 4DOS, NDOS, 4OS2, 4NT and Windows PowerShell.

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DIBOL

DIBOL or Digital's Business Oriented Language is a general-purpose, procedural, imperative programming language, designed for use in Management Information Systems (MIS) software development.

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Dick Hustvedt

Richard "Dick" Irvin Hustvedt (February 18, 1946 – April 15, 2008) was a renowned software engineer, designer and developer of several operating systems including Digital Equipment Corporation's RSX-11, and VMS.

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DIGITAL Command Language

DIGITAL Command Language (DCL) is the standard command language adopted by most of the operating systems (OSs) that were sold by the former Digital Equipment Corporation (which was acquired by Compaq, which was in turn acquired by Hewlett-Packard).

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Digital Equipment Corporation

Digital Equipment Corporation, also known as DEC and using the trademark Digital, was a major American company in the computer industry from the 1950s to the 1990s.

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Digital Personal Workstation

The Digital Personal Workstation, code named "sports car", is a family of entry-level to mid-range workstation computers developed and manufactured by Digital Equipment Corporation (DEC).

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Digital Storage Systems Interconnect

The Digital Storage Systems Interconnect (DSSI) is a bus developed by Digital Equipment Corporation for connecting storage devices and clustering VAX systems and support was extended to MIPS based DECsystem and later to Alpha processor based AlphaServer systems.

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Dir (command)

In computing, dir (directory) is a command used for file and directory listing, specifically in the command line interface (CLI) of the operating systems CP/M, DOS, OS/2, Singularity, Microsoft Windows and in the DCL command line interface used on VMS, RT-11 and RSX-11.

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Directory (OpenVMS command)

In computer software, specifically the command line interface of the OpenVMS operating system, the DIRECTORY command (often abbreviated as DIR) is used to list the files inside a directory.

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Disk operating system

A disk operating system (abbreviated DOS) is a computer operating system that can use a disk storage device, such as a floppy disk, hard disk drive, or optical disc.

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Disk quota

A disk quota is a limit set by a system administrator that restricts certain aspects of file system usage on modern operating systems.

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Diskless shared-root cluster

A diskless shared-root cluster is a way to manage several machines at the same time.

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Distributed lock manager

Operating systems use lock managers to organise and serialise the access to resources.

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Dld (software)

Dld was a library package for the C programming language that performs dynamic link editing.

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Easter egg (media)

In computer software and media, an Easter egg is an intentional inside joke, hidden message or image, or secret feature of a work.

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Echo (computing)

In computer telecommunications, echo is the display or return of sent data at or to the sending end of a transmission.

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Editor war

Editor war is the common name for the rivalry between users of the Emacs and vi (usually Vim) text editors.

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EDT (Digital)

EDT is a character-based text editor from Digital Equipment Corporation (DEC) running on PDP-11 (RSTS/E and RT-11), and later for its VAX/VMS computer systems.

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EiffelStudio

EiffelStudio is a development environment for the Eiffel programming language developed and distributed by Eiffel Software.

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Elxsi

Elxsi (now Tata Elxsi) was a minicomputer manufacturing company established in the late 1970s along with a host of other competitors (Trilogy Systems, Sequent, Convex Computer) in Silicon Valley, USA.

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Embedded SQL

Embedded SQL is a method of combining the computing power of a programming language and the database manipulation capabilities of SQL.

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EMC NetWorker

EMC NetWorker (formerly Legato NetWorker) is an enterprise level data protection software product that unifies and automates backup to tape, disk-based, and flash-based storage media across physical and virtual environments for granular and disaster recovery.

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Empire (PLATO)

Empire is the name of a computer game written for the PLATO system in 1973.

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Emulator

In computing, an emulator is hardware or software that enables one computer system (called the host) to behave like another computer system (called the guest).

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Energy management system

An energy management system (EMS) is a system of computer-aided tools used by operators of electric utility grids to monitor, control, and optimize the performance of the generation and/or transmission system.

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ENQUIRE

ENQUIRE was a software project written in 1980 by Tim Berners-Lee at CERN, which was the predecessor to the World Wide Web.

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Entry point

In computer programming, an entry point is where control is transferred from the operating system to a computer program, at which place the processor enters a program or a code fragment and execution begins.

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Epoch (reference date)

In the fields of chronology and periodization, an epoch is an instant in time chosen as the origin of a particular era.

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Eunice (software)

Eunice was a Unix-like working environment for VAX computers running DEC's VAX/VMS, based on the BSD version of Unix.

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EVE (text editor)

EVE (short for Extensible Versatile Editor) is a flexible text editor that is part of the VMS operating system.

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Event flag

An event flag is a process synchronization primitive in the OpenVMS operating system.

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Excelan

Excelan was a computer networking company founded in 1982 by Kanwal Rekhi, Inder Singh and Navindra Jain.

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Executable and Linkable Format

In computing, the Executable and Linkable Format (ELF, formerly named Extensible Linking Format), is a common standard file format for executable files, object code, shared libraries, and core dumps.

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Exit (system call)

On many computer operating systems, a computer process terminates its execution by making an exit system call.

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Exit status

The exit status of a process in computer programming is a small number passed from a child process (or callee) to a parent process (or caller) when it has finished executing a specific procedure or delegated task.

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Extent (file systems)

An extent is a contiguous area of storage reserved for a file in a file system, represented as a range of block numbers.

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Fatal system error

A fatal system error, also known as a system crash, stop error, kernel error, or bug check, occurs when an operating system halts at the moment it reaches a condition where it can no longer operate safely.

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Father Christmas (computer worm)

The Father Christmas worm, also known as the HI.COM VMS worm, was a computer worm that used the DECnet to attack VAX/VMS systems.

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FCX file compression

FCX file compression is a file compression utility and file format.

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FFF system

The furlong/firkin/fortnight (FFF) system is a humorous system of units based on unusual or impractical measurements.

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File format

A file format is a standard way that information is encoded for storage in a computer file.

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File manager

A file manager or file browser is a computer program that provides a user interface to manage files and folders.

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File system

In computing, a file system or filesystem controls how data is stored and retrieved.

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File system permissions

Most file systems have methods to assign permissions or access rights to specific users and groups of users.

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Filename

A filename (also written as two words, file name) is a name used to uniquely identify a computer file stored in a file system.

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Filename extension

A filename extension is an identifier specified as a suffix to the name of a computer file.

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Files-11

Files-11, also known as on-disk structure, is the file system used by Digital Equipment Corporation OpenVMS operating system, and also (in a simpler form) by the older RSX-11.

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Filetab

Filetab is a decision table-based computer programming language widely used in business in the 1960s and 1970s.

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Fork (system call)

In computing, particularly in the context of the Unix operating system and its workalikes, fork is an operation whereby a process creates a copy of itself.

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Franz Lisp

In computer programming, Franz Lisp was a Lisp system written at UC Berkeley by the students of Professor Richard J. Fateman, based largely on Maclisp and distributed with the Berkeley Software Distribution (BSD) for the Digital Equipment Corp (DEC) VAX.

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Futurebus

Futurebus (IEEE 896) is a computer bus standard, intended to replace all local bus connections in a computer, including the CPU, memory, plug-in cards and even, to some extent, LAN links between machines.

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Galactic Trader

Galactic Trader is a multiplayer, text-based, space trading video game for the OpenVMS platform.

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Geek Code

The Geek Code is a series of letters and symbols used by self-described "geeks" to inform fellow geeks about their personality, appearance, interests, skills, and opinions.

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GeoNet

GeoNet was an early international on-line services network built using microcomputers.

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George B. Purdy

George Barry Purdy (20 February 1944 - 30 December 2017) was a mathematician and computer scientist who specialized in cryptography, combinatorial geometry and number theory.

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Ghostscript

Ghostscript is a suite of software based on an interpreter for Adobe Systems' PostScript and Portable Document Format (PDF) page description languages.

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GNU Emacs

GNU Emacs is the most popular and most ported Emacs text editor.

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Gold key (DEC)

The Gold key is a computer keyboard key used as a prefix to invoke a variety of single-key editing and formatting functions.

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Gopher (protocol)

The Gopher protocol is a TCP/IP application layer protocol designed for distributing, searching, and retrieving documents over the Internet.

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Grace (plotting tool)

Grace is a free WYSIWYG 2D graph plotting tool, for Unix-like operating systems.

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GT.M

GT.M is a high-throughput key-value database engine optimized for transaction processing.

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Hacktivism

In Internet activism, hacktivism or hactivism (a portmanteau of hack and activism) is the subversive use of computers and computer networks to promote a political agenda or a social change.

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HADES (software)

HADES (Haskins Analysis Display and Experiment System) refers to a family of signal processing computer programs that was developed in the 1980s at Haskins Laboratories by Philip Rubin and colleagues to provide for the display and analysis of multiple channel physiological, speech, and other sampled data in an experimental context.

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Hank Levy (computer scientist)

Henry M. "Hank" Levy is an American computer scientist.

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Hexspeak

Hexspeak, like leetspeak, is a novelty form of variant English spelling using the hexadecimal digits.

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Hierarchical storage management

Hierarchical storage management (HSM) is a data storage technique that automatically moves data between high-cost and low-cost storage media.

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History of computer clusters

The history of computer clusters is best captured by a footnote in Greg Pfister's In Search of Clusters: “Virtually every press release from DEC mentioning clusters says ‘DEC, who invented clusters...’. IBM did not invent them either.

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History of Digital Equipment Corporation

Digital Equipment Corporation (DEC), was a major American company in the computer industry.

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History of free and open-source software

In the 1950s and 1960s, computer operating software and compilers were delivered as a part of hardware purchases without separate fees.

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History of massively multiplayer online games

The history of massively multiplayer online games spans over thirty years and hundreds of massively multiplayer online games (MMOG) titles.

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History of operating systems

Computer operating systems (OSes) provide a set of functions needed and used by most application programs on a computer, and the links needed to control and synchronize computer hardware.

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History of the Berkeley Software Distribution

The History of the Berkeley Software Distribution begins in the 1970s.

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History of the web browser

A web browser is a software application for retrieving, presenting and traversing information resources on the World Wide Web.

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Home directory

A home directory is a file system directory on a multi-user operating system containing files for a given user of the system.

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Hoox

HooX (Host object oriented conneXion) is a software product line allowing communication between mainframes and applications running on the Java EE or.NET frameworks.

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Hosts (file)

The computer file hosts is an operating system file that maps hostnames to IP addresses.

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HP 3000

The HP 3000 series is a family of minicomputers released by Hewlett-Packard in 1972.

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HP BASIC for OpenVMS

HP BASIC for OpenVMS is the latest name for a dialect of the BASIC programming language created by Digital Equipment Corporation (DEC) and now owned by Hewlett-Packard Enterprise (HPE).

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HP Integrity Servers

HP Integrity is a series of server computers produced by Hewlett Packard Enterprise (formerly Hewlett-Packard) since 2003, based on the Itanium processor.

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HP Integrity Virtual Machines

Integrity Virtual Machines is software from Hewlett-Packard that allows multiple virtual machines to run concurrently on any Itanium server running HP-UX, notably the HP Integrity line.

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HP OpenView

HP OpenView is the former name for a Hewlett-Packard product family that consisted of network and systems management products.

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HP Pascal

HP Pascal (formerly Compaq Pascal and DEC Pascal) is a Pascal and Extended Pascal compiler that runs on OpenVMS for VAX systems, OpenVMS for AlphaServer systems, and OpenVMS for Integrity servers.

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HP RTR

HP Reliable Transaction Router (RTR) is a transactional middleware for computer software, marketed by Hewlett Packard.

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HP Superdome

The HP Superdome is a high-end server computer developed and produced by Hewlett Packard Enterprise (formerly Hewlett-Packard).

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HP-Interex

Interex EMEA was the EMEA HP Users Organisation, representing the user community of Hewlett-Packard computers.

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Hypervisor

A hypervisor or virtual machine monitor (VMM) is computer software, firmware or hardware that creates and runs virtual machines.

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I/O request packet

I/O request packets (IRPs) are kernel mode structures that are used by Windows Driver Model (WDM) and Windows NT device drivers to communicate with each other and with the operating system.

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IBM RPG

RPG is a high-level programming language (HLL) for business applications.

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IBM Tivoli Storage Manager

IBM Spectrum Protect (Tivoli Storage Manager) is a data protection platform that gives enterprises a single point of control and administration for backup and recovery.

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IBM WebSphere MQ

IBM MQ is a family of network software products that IBM launched for the first time as an IBM product in December 1993.

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IDL (programming language)

IDL, short for Interactive Data Language, is a programming language used for data analysis.

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In-kernel web server

An in-kernel web server is an unlimited HTTP server that runs in kernel space or equivalent.

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Index of computing articles

Originally, the word computing was synonymous with counting and calculating, and the science and technology of mathematical calculations.

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Ingres (database)

Ingres Database is a commercially supported, open-source SQL relational database management system intended to support large commercial and government applications.

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Innovative Routines International

Innovative Routines International (IRI), Inc. is an American software company first known for bringing mainframe sort merge functionality into open systems.

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Internet suite

An Internet suite is an Internet-related software suite.

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Interrupt priority level

The interrupt priority level (IPL) is a part of the current system interrupt state, which indicates the interrupt requests that will currently be accepted.

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InterSystems Caché

InterSystems Caché is a commercial operational database management system from InterSystems, used to develop software applications for healthcare management, banking and financial services, government, and other sectors.

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IPv6 deployment

Deployment of Internet Protocol Version 6 (IPv6), the next generation of the Internet Protocol, has been in progress since the mid-2000s.

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ISAM

ISAM (an acronym for indexed sequential access method) is a method for creating, maintaining, and manipulating indexes of key-fields extracted from random data file records to achieve fast retrieval of required file records.

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ISCSI

In computing, iSCSI is an acronym for Internet Small Computer Systems Interface, an Internet Protocol (IP)-based storage networking standard for linking data storage facilities.

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ISO 9660

ISO 9660 is a file system for optical disc media.

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Itanium

Itanium is a family of 64-bit Intel microprocessors that implement the Intel Itanium architecture (formerly called IA-64).

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JAMS Scheduler

The JAMS Scheduler uses a master/agent configuration and automates application processes on a variety of operating systems and architectures.

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JED (text editor)

JED is a text editor that makes extensive use of the S-Lang library.

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Jeffrey Peterson

Jeffrey Peterson (born October 11, 1972 in Santa Barbara, California) is an American technology entrepreneur and California born millionaire who is considered the pioneer of Hispanic internet in the United States.

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John the Ripper

John the Ripper is a free password cracking software tool.

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Jon Callas

Jon Callas is an American computer security expert, software engineer, user experience designer, and technologist who is the co-founder and former CTO of the global encrypted communications service Silent Circle.

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Ken Olsen

Kenneth Harry "Ken" Olsen (February 20, 1926 – February 6, 2011) was an American engineer who co-founded Digital Equipment Corporation (DEC) in 1957 with colleague Harlan Anderson and his brother Stan Olsen.

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Kerberos (protocol)

Kerberos is a computer network authentication protocol that works on the basis of tickets to allow nodes communicating over a non-secure network to prove their identity to one another in a secure manner.

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Kermit (protocol)

Kermit is a computer file transfer/management protocol and a set of communications software tools primarily used in the early years of personal computing in the 1980s.

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LAND

A LAND (Local Area Network Denial) attack is a DoS (Denial of Service) attack that consists of sending a special poison spoofed packet to a computer, causing it to lock up.

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Language-Sensitive Editor

Language-Sensitive Editor (LSE) is a full-screen visual editor for the VAX/VMS and OpenVMS Operating systems.

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Lattice C

The Lattice C Compiler was released in June 1982 by Lifeboat Associates and was the first C compiler for the IBM Personal Computer.

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Le Lisp

Le Lisp (also Le_Lisp and Le-Lisp) is a dialect of the Lisp programming language.

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Len Kawell

Len Kawell is an engineer and entrepreneur who once worked at Digital Equipment Corporation (DEC), where he was one of the designers of the VAX/VMS operating system.

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LibreSSL

LibreSSL is an open-source implementation of the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols.

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Linear congruential generator

A linear congruential generator (LCG) is an algorithm that yields a sequence of pseudo-randomized numbers calculated with a discontinuous piecewise linear equation.

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Links (web browser)

Links is an open source text and graphic web browser with a pull-down menu system.

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List of BASIC dialects

This is an alphabetical list of BASIC dialectsinterpreted and compiled variants of the BASIC programming language.

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List of commercial video games with available source code

The source code of these commercially developed and distributed video games is available to the public or the games' communities.

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List of compilers

This page is intended to list all current compilers, compiler generators, interpreters, translators, tool foundations, assemblers, automatable command line interfaces (shells), etc.

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List of file systems

The following lists identify, characterize, and link to more thorough information on computer file systems.

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List of filename extensions (A–E)

This alphabetical list of filename extensions contains standard extensions associated with computer files.

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List of live CDs

This is a list of live CDs.

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List of operating systems

This is a list of operating systems.

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List of programmers

This is a list of programmers notable for their contributions to software, either as original author or architect, or for later additions.

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List of programming languages by type

This is a list of notable programming languages, grouped by type.

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List of relational database management systems

This is a list of relational database management systems.

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List of text editors

The following is a list of notable text editors.

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List of unusual units of measurement

An unusual unit of measurement is a unit of measurement that does not form part of a coherent system of measurement; especially in that its exact quantity may not be well known or that it may be an inconvenient multiple or fraction of base units in such systems.

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Living Computers: Museum + Labs

Living Computers: Museum + Labs (LCM+L) is a computer and technology museum located in the SoDo neighborhood of Seattle, Washington.

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LK421

The LK421 was a detachable computer keyboard manufactured by Digital Equipment Corporation of Maynard, Massachusetts and supplied as an option to the standard LK401 keyboard with their DEC 3000 AXP workstations.

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Local Area Transport

Local Area Transport (LAT) is a non-routable (Data Link Layer) networking technology developed by Digital Equipment Corporation to provide connection between the DECserver 90, 100, 200, 300, 500, 700 and DECserver 900 terminal servers and Digital's VAX and Alpha and MIPS host computers via Ethernet, giving communication between those hosts and serial devices such as video terminals and printers.

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Lotus 1-2-3

Lotus 1-2-3 is a discontinued spreadsheet program from Lotus Software (later part of IBM).

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LS-DYNA

LS-DYNA is an advanced general-purpose multiphysics simulation software package developed by the Livermore Software Technology Corporation (LSTC).

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Lustre (file system)

Lustre is a type of parallel distributed file system, generally used for large-scale cluster computing.

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Lynx (web browser)

Lynx is a customizable text-based web browser for use on cursor-addressable character cell terminals.

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Macsyma

Macsyma (Project MAC’s SYmbolic MAnipulator) is one of the oldest general purpose computer algebra systems which is still widely used.

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MacWise

MacWise is a terminal emulator for the Apple Macintosh, written by Carnation Software and first released in 1996.

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Mail-11

Mail-11 was the native email transport protocol used by Digital Equipment Corporation's VMS operating system, and supported by several other DEC operating systems such as Ultrix.

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Maximum Integrated Data Acquisition System

MIDAS is a DAQ package developed at the Paul Scherrer Institute, Switzerland, and TRIUMF, Canada.

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Memory-mapped file

A memory-mapped file is a segment of virtual memory that has been assigned a direct byte-for-byte correlation with some portion of a file or file-like resource.

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MicroEMACS

MicroEMACS is a small, portable Emacs-like text editor originally written by Dave Conroy in 1985, and further developed by Daniel M. Lawrence (1958–2010) and was maintained by him.

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Microsoft Windows version history

Microsoft Windows was announced by Bill Gates on November 10, 1983.

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MicroVAX

The MicroVAX was a family of low-cost minicomputers developed and manufactured by Digital Equipment Corporation (DEC).

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MidasWWW

MidasWWW is one of the earliest (now discontinued) web browsers, developed at the Stanford Linear Accelerator Center (SLAC).

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Mimer SQL

Mimer SQL is an SQL-based relational database management system produced by the Swedish company Mimer Information Technology AB (Mimer AB), formerly known as Upright Database Technology AB.

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Minicomputer

A minicomputer, or colloquially mini, is a class of smaller computers that was developed in the mid-1960s and sold for much less than mainframe and mid-size computers from IBM and its direct competitors.

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Mission Thunderbolt

Mission: Thunderbolt is a roguelike computer game with a futuristic storyline.

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MMDF

MMDF, the Multichannel Memorandum Distribution Facility, is a message transfer agent (MTA), a computer program designed to transmit email.

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Monoculture (computer science)

In computer science, a monoculture is a community of computers that all run identical software.

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Monolithic kernel

A monolithic kernel is an operating system architecture where the entire operating system is working in kernel space and is alone in supervisor mode.

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Moria (video game)

The Dungeons of Moria, or just Moria, is a roguelike computer game inspired by J. R. R. Tolkien's novel The Lord of the Rings.

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Mosaic (web browser)

NCSA Mosaic, or simply Mosaic, is the web browser that popularized the World Wide Web and the Internet.

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Most (Unix)

most is a terminal pager program on Unix, OpenVMS, Windows and Unix-like systems used to view (but not change) the contents of a text file one screen at a time.

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MuCommander

muCommander is a lightweight, open-source, cross-platform file manager that will run on any operating system supporting Java.

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MultiMate

MultiMate was a word processor developed by Multimate International for IBM PC MS-DOS computers in the early 1980s.

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MUMPS

MUMPS (Massachusetts General Hospital Utility Multi-Programming System), or M, is a general-purpose computer programming language that provides ACID (Atomic, Consistent, Isolated, and Durable) transaction processing.

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MySQL

MySQL ("My S-Q-L") is an open-source relational database management system (RDBMS).

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Network File System

Network File System (NFS) is a distributed file system protocol originally developed by Sun Microsystems in 1984, allowing a user on a client computer to access files over a computer network much like local storage is accessed.

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Newline

Newline (frequently called line ending, end of line (EOL), line feed, or line break) is a control character or sequence of control characters in a character encoding specification, e.g. ASCII or EBCDIC.

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Null device

In some operating systems, the null device is a device file that discards all data written to it but reports that the write operation succeeded.

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NX bit

The NX bit (no-execute) is a technology used in CPUs to segregate areas of memory for use by either storage of processor instructions (code) or for storage of data, a feature normally only found in Harvard architecture processors.

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OCFS2

The Oracle Cluster File System (OCFS, in its second version OCFS2) is a shared disk file system developed by Oracle Corporation and released under the GNU General Public License.

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October 25

No description.

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Online help

Online help is topic-oriented, procedural or reference information delivered through computer software.

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Open Database Connectivity

In computing, Open Database Connectivity (ODBC) is a standard application programming interface (API) for accessing database management systems (DBMS).

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Open Interface

Open Interface was an early cross-platform graphical user interface toolkit by Neuron Data.

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OpenLisp

OpenLisp is a programming language in the LISP family developed by Christian Jullien.

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OpenSSL

OpenSSL is a software library for applications that secure communications over computer networks against eavesdropping or need to identify the party at the other end.

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OpenVMS

OpenVMS is a closed-source, proprietary computer operating system for use in general-purpose computing.

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Operating system

An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.

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OPS5

OPS5 is a rule-based or production system computer language, notable as the first such language to be used in a successful expert system, the R1/XCON system used to configure VAX computers.

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Oracle Corporation

Oracle Corporation is an American multinational computer technology corporation, headquartered in Redwood Shores, California.

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Oracle Rdb

Oracle Rdb is a relational database management system (RDBMS) for the Hewlett-Packard OpenVMS operating system.

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OS/2

OS/2 is a series of computer operating systems, initially created by Microsoft and IBM under the leadership of IBM software designer Ed Iacobucci.

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OS/360 and successors

OS/360, officially known as IBM System/360 Operating System, is a discontinued batch processing operating system developed by IBM for their then-new System/360 mainframe computer, announced in 1964; it was heavily influenced by the earlier IBSYS/IBJOB and Input/Output Control System (IOCS) packages.

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OS/8

OS/8 was the primary operating system used on the Digital Equipment Corporation's PDP-8 minicomputer.

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Page fault

A page fault (sometimes called #PF, PF or hard fault) is a type of exception raised by computer hardware when a running program accesses a memory page that is not currently mapped by the memory management unit (MMU) into the virtual address space of a process.

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Page replacement algorithm

In a computer operating system that uses paging for virtual memory management, page replacement algorithms decide which memory pages to page out, sometimes called swap out, or write to disk, when a page of memory needs to be allocated.

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PALcode

In computing, in the Alpha instruction set architecture, PALcode (Privileged Architecture Library code) is the name used by DEC for a set of functions in the SRM or AlphaBIOS firmware, providing a hardware abstraction layer for system software, covering features such as cache management, translation lookaside buffer (TLB) miss handling, interrupt handling and exception handling.

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Paris Métro Line 14

Paris Métro Line 14 is a line on the Paris Métro that connects the stations Saint Lazare and Olympiades on a north-west south-east diagonal across the centre of Paris.

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Path (computing)

A path, the general form of the name of a file or directory, specifies a unique location in a file system.

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Pathworks

PATHWORKS (it was usually written in all caps) was the trade name used by Digital Equipment Corporation of Maynard, Massachusetts for a series of programs that eased the interoperation of Digital's minicomputers with personal computers.

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PCLSRing

PCLSRing (also known as Program Counter Lusering) is the term used in the ITS operating system for a consistency principle in the way one process accesses the state of another process.

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Perforce Jam

Perforce Jam was an open-source build system developed by Christopher Seiwald of Perforce Software.

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Philip Bourne

Philip Eric Bourne (born 1953) is a United States researcher in health informatics, non-fiction writer, and entrepreneur.

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PL/I

PL/I (Programming Language One, pronounced) is a procedural, imperative computer programming language designed for scientific, engineering, business and system programming uses.

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PL/M

The PL/M programming language (an acronym of Programming Language for Microcomputers) is a high-level language conceived and developed by Gary Kildall in 1973 for Hank Smith at Intel for its microprocessors.

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Poplog

Poplog is a reflective, incrementally compiled software development environment for the programming languages POP-11, Common Lisp, Prolog, and Standard ML, originally created in the UK for teaching and research in artificial intelligence at the University of Sussex.

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POSIX

The Portable Operating System Interface (POSIX) is a family of standards specified by the IEEE Computer Society for maintaining compatibility between operating systems.

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Preboot Execution Environment

In computing, the Preboot eXecution Environment (PXE, sometimes pronounced as pixie) specification describes a standardized client-server environment that boots a software assembly, retrieved from a network, on PXE-enabled clients.

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Preemption (computing)

In computing, preemption is the act of temporarily interrupting a task being carried out by a computer system, without requiring its cooperation, and with the intention of resuming the task at a later time.

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Process isolation

Process isolation is a set of different hardware and software technologies designed to protect each process from other processes on the operating system.

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PROIV

PROIV is a low code development platform, developed and sold by NorthgateArinso, part of the Northgate Information Solutions Group.

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Protection ring

In computer science, hierarchical protection domains, often called protection rings, are mechanisms to protect data and functionality from faults (by improving fault tolerance) and malicious behaviour (by providing computer security).

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PureMessage

Sophos PureMessage is an anti-spam program by Sophos plc, which is aimed primarily at corporate environments.

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PVCS

PVCS Version Manager (originally named Polytron Version Control System) is a software package by Serena Software Inc., for version control of source code files.

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Pwd

In Unix-like and some other operating systems, the pwd command (print working directory) writes the full pathname of the current working directory to the standard output.

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Pyramid Technology

Pyramid Technology Corporation was a computer company that produced a number of RISC-based minicomputers at the upper end of the performance range.

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QIO

QIO (Queue I/O) is a term used in several computer operating systems designed by the former Digital Equipment Corporation (DEC) of Maynard, Massachusetts.

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Radio teleswitch

A radio teleswitch is a device used in the United Kingdom to allow electricity suppliers to switch large numbers of electricity meters between different tariff rates, by broadcasting an embedded signal in broadcast radio signals.

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RAID

RAID (Redundant Array of Independent Disks, originally Redundant Array of Inexpensive Disks) is a data storage virtualization technology that combines multiple physical disk drive components into one or more logical units for the purposes of data redundancy, performance improvement, or both.

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Rasmus Lerdorf

Rasmus Lerdorf (born 22 November 1968) is a Danish-Canadian programmer.

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Ratfiv

Ratfiv is an enhanced version of the Ratfor programming language, a preprocessor for Fortran designed to give it C-like capabilities.

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Raxco

Raxco Software Inc.

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Record Management Services

Record Management Services (RMS) are procedures in the VMS, RSTS/E, RT-11 and high-end RSX-11 operating systems that programs may call to process files and records within files.

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Record-oriented filesystem

In computer science, a record-oriented filesystem is a file system where data is stored as collections of records.

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Ren (command)

In computing, ren (or rename) is a command in various DOS, OS/2 and Microsoft Windows command line interpreters (shells) such as COMMAND.COM, cmd.exe, 4DOS, 4NT and Windows PowerShell.

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Rexx

Rexx (Restructured Extended Executor) is an interpreted programming language developed at IBM by Mike Cowlishaw.

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Rich Skrenta

Richard "Rich" Skrenta (born in Pittsburgh, Pennsylvania) is a computer programmer and Silicon Valley entrepreneur who created the web search engine blekko.

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RMX (operating system)

iRMX is a real-time operating system designed specifically for use with the Intel 8080 and Intel 8086 family of processors.

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Root directory

In a computer file system, and primarily used in the Unix and Unix-like operating systems, the root directory is the first or top-most directory in a hierarchy.

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Rosegarden

Rosegarden is a free software digital audio workstation program developed for Linux with ALSA and Qt4.

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RSCS

Remote Spooling Communications Subsystem or RSCS is a subsystem ("virtual machine" in VM terminology) of IBM's VM/370 operating system which accepts files transmitted to it from local or remote system and users and transmits them to destination local or remote users and systems.

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RSTS/E

RSTS is a multi-user time-sharing operating system, initially developed by Evans, Griffiths, & Hart of Boston, and acquired by Digital Equipment Corporation (DEC, now part of Hewlett Packard) for the PDP-11 series of 16-bit minicomputers.

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RSX-11

RSX-11 is a discontinued family of multi-user real-time operating systems for PDP-11 computers created by Digital Equipment Corporation.

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RT-11

RT-11 ("RT" for real-time) is a discontinued small, single-user real-time operating system for the Digital Equipment Corporation PDP-11 family of 16-bit computers.

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RText

RText is a text editor for programmers, available under the Modified BSD License.

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RTL/2

RTL/2 was a high-level programming language developed at Imperial Chemical Industries Ltd by J.G.P. Barnes.

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Ruby MRI

Matz's Ruby Interpreter or Ruby MRI (also called CRuby) was the reference implementation of the Ruby programming language named after Ruby creator Yukihiro Matsumoto ("Matz").

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Runoff (program)

runoff was the text formatting program on the Multics operating system.

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S-algol

S-algol (St Andrews Algol) is a computer programming language derivative of ALGOL 60 developed at the University of St Andrews in 1979 by Ron Morrison and Tony Davie.

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S-Lang

The S-Lang programming library is a software library for Unix, Windows, VMS, OS/2, and Mac OS X. It provides routines for embedding an interpreter for the S-Lang scripting language, and components to facilitate the creation of text-based applications.

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Samba (software)

Samba is a free software re-implementation of the SMB/CIFS networking protocol, and was originally developed by Andrew Tridgell.

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SAS (software)

SAS (previously "Statistical Analysis System") is a software suite developed by SAS Institute for advanced analytics, multivariate analyses, business intelligence, data management, and predictive analytics.

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SCM (Scheme implementation)

SCM is a free software Scheme implementation in C written by Aubrey Jaffer, the same author as the SLIB Scheme library and the JACAL interactive symbolic mathematics program.

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SDL

SDL may refer to.

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Secure attention key

A secure attention key (SAK) or secure attention sequence (SAS) is a special key or key combination to be pressed on a computer keyboard before a login screen which must, to the user, be completely trustworthy.

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Secure Shell

Secure Shell (SSH) is a cryptographic network protocol for operating network services securely over an unsecured network.

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Security-evaluated operating system

In computing, security-evaluated operating systems have achieved certification from an external security-auditing organization, the most popular evaluations are Common Criteria (CC) and FIPS 140-2.

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Sequence And Batch Language

The Sequence And Batch Language (SABL) is used on Digital Equipment Corporation (DEC) systems running OpenVMS and on the current D/3 Distributed Control System from.

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Server Message Block

In computer networking, Server Message Block (SMB), one version of which was also known as Common Internet File System (CIFS), operates as an application-layer network protocol mainly used for providing shared access to files, printers, and serial ports and miscellaneous communications between nodes on a network.

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Shadow Copy

Shadow Copy (also known as Volume Snapshot Service, Volume Shadow Copy Service or VSS) is a technology included in Microsoft Windows that allows taking manual or automatic backup copies or snapshots of computer files or volumes, even when they are in use.

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Shar

In the Unix operating system, shar (an abbreviation of shell archive) is an archive format created with the Unix shar utility.

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Shared resource

In computing, a shared resource, or network share, is a computer resource made available from one host to other hosts on a computer network.

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SheerPower4GL

SheerPower 4GL is a Fourth-generation programming language developed by Touch Technologies, Inc.

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Silicon Glen

Silicon Glen is a nickname for the high tech sector of Scotland, the name inspired by Silicon Valley in California.

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SIMH

SIMH is a highly portable, multi-system emulator which runs on Windows, Linux, Mac OS X, FreeBSD, OpenBSD, NetBSD and OpenVMS.

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Single system image

In distributed computing, a single system image (SSI) cluster is a cluster of machines that appears to be one single system.

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Slash (punctuation)

The slash is an oblique slanting line punctuation mark.

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Slrn

slrn is a console based news client for multiple operating systems, developed by John E. Davis and others.

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SMG$

SMG$ is a library of screen management routines for OpenVMS.

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SoftPC

SoftPC is a software emulator of x86 hardware.

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Source-to-source compiler

A source-to-source compiler, transcompiler or transpiler is a type of compiler that takes the source code of a program written in one programming language as its input and produces the equivalent source code in another programming language.

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Spawn (computing)

Spawn in computing refers to a function that loads and executes a new child process.

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SPSS Modeler

IBM SPSS Modeler is a data mining and text analytics software application from IBM.

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Star coupler

A star coupler is a device that takes in an input signal and splits it into several output signals.

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Stephen Tweedie

Dr.

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STOIC

STOIC (Stack-Oriented Interactive Compiler) is a 1970s programming language, a variant of Forth.

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Stratus VOS

Stratus VOS (Virtual Operating System) is a proprietary operating system running on Stratus Technologies fault-tolerant computer systems.

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SuperCalc

SuperCalc is a CP/M-80 spreadsheet application published by Sorcim in 1981.

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Superuser

In computing, the superuser is a special user account used for system administration.

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SVNKit

SVNKit is an Open Source, pure Java software library for working with the Subversion version control system.

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SydneyPLUS International

SydneyPLUS International, now known as Lucidea Corporation, is a Canadian computer company based in Richmond, British Columbia.

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Symbian

Symbian is a discontinued mobile operating system (OS) and computing platform designed for smartphones.

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Synergy DBL

Synergy DBL (Data Business Language) is a compiled, imperative programming language designed for business use.

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System programming language

A system programming language usually refers to a programming language used for system programming; such languages are designed for writing system software, which usually requires different development approaches when compared with application software.

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System Reference Manual

The SRM firmware (also called the SRM console) is the boot firmware written by Digital Equipment Corporation (DEC) for computer systems based on the Alpha AXP microprocessor.

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System time

In computer science and computer programming, system time represents a computer system's notion of the passing of time.

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Systems Concepts

Systems Concepts (now the SC Group) is a company co-founded by Stewart Nelson and Mike Levitt focused on making hardware products related to the DEC PDP-10 series of computers.

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Tactician (company)

Tactician Corporation is a developer and provider of GIS desktop software, SaaS web software, and business intelligence consulting services internationally.

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Tadpole Computer

Tadpole Computer was a manufacturer of rugged, military specification, UNIX workstations, thin client laptops and lightweight servers.

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Talk (software)

talk is a Unix text chat program, originally allowing messaging only between the users logged on to one multi-user computer—but later extended to allow chat to users on other systems.

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Tandem Computers

Tandem Computers, Inc. was the dominant manufacturer of fault-tolerant computer systems for ATM networks, banks, stock exchanges, telephone switching centers, and other similar commercial transaction processing applications requiring maximum uptime and zero data loss.

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TAO (software)

The ACE ORB (TAO) is a freely available, open-source, and standards-compliant real-time C++ implementation of CORBA based upon the Adaptive Communication Environment (ACE).

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Tartan Laboratories

Tartan Laboratories, Inc., later known as Tartan, Inc., was an American software company founded in 1981 and based in Pittsburgh, Pennsylvania, that specialized in language compilers, especially for the Ada programming language.

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TCPware

TCPware is a third party layered product published by "Process Software LLC" to add TCP/IP capabilities to OpenVMS.

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TECO (text editor)

TECO (Tee'koh /), Text Editor & COrrector"A powerful and sophisticated text editor, TECO (Text Editor and Corrector)...

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Temporary folder

In computing, a temporary folder or temporary directory is a directory used to hold temporary files.

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Terry Shannon (IT)

Terry Shannon (August 16, 1952 – May 26, 2005) was an American information technology consultant, journalist and author.

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Text-based user interface

Text-based user interface (TUI), also called textual user interface or terminal user interface, is a retronym coined sometime after the invention of graphical user interfaces.

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The 414s

The 414s were a group of computer hackers who broke into dozens of high-profile computer systems, including ones at Los Alamos National Laboratory, Sloan-Kettering Cancer Center, and Security Pacific Bank, in 1982 and 1983.

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The Cuckoo's Egg

The Cuckoo’s Egg: Tracking a Spy Through the Maze of Computer Espionage is a 1989 book written by Clifford Stoll.

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Tidal Enterprise Scheduler

Tidal Enterprise Scheduler (TES) is a job scheduler originally created by Tidal Software, Inc.

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Time-sharing

In computing, time-sharing is the sharing of a computing resource among many users by means of multiprogramming and multi-tasking at the same time.

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Time-sharing system evolution

This article covers the evolution of time-sharing systems, providing links to major early time-sharing operating systems, showing their subsequent evolution.

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Timeline of operating systems

This article presents a timeline of events in the history of computer operating systems from 1951 to the current day.

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Timeline of virtualization development

Note: This timeline is missing data for important historical systems, including: Atlas Computer (Manchester), GE 645, Burroughs B5000.

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Tin (newsreader)

tin is an open source text-based and threaded news client, used to read and post messages on the USENET global communications network.

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TLD Systems

TLD Systems, Ltd. was an American software company active in the 1980s and 1990s and based in Torrance, California, that specialized in language compilers for the JOVIAL and Ada programming languages that were targeted to embedded systems.

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ToolTalk

ToolTalk is an interapplication communications system developed by Sun Microsystems (SunSoft) in order to allow applications to communicate with each other at runtime.

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TOPS-20

The TOPS-20 operating system by Digital Equipment Corporation (DEC) was a proprietary OS used on some of DEC's 36-bit mainframe computers.

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Transaction processing system

Transaction processing is a way of computing that divides work into individual, indivisible operations, called transactions.

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Transbase

Transbase is a relational database management system, developed and maintained by Transaction Software GmbH, Munich.

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Transportable Applications Environment

The Transportable Applications Environment (TAE) was a rapid prototyping graphical user interface development environment created by NASA in the 1980s.

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Tru64 UNIX

Tru64 UNIX is a discontinued 64-bit UNIX operating system for the Alpha instruction set architecture (ISA), currently owned by Hewlett-Packard (HP).

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Tuxedo (software)

Tuxedo (Transactions for Unix, Extended for Distributed Operations) is a middleware platform used to manage distributed transaction processing in distributed computing environments.

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TYPE (DOS command)

In computing, type is a command in various RT-11, VMS, AmigaDOS, CP/M, DOS, OS/2 and Microsoft Windows command line interpreters (shells) such as COMMAND.COM, cmd.exe, 4DOS/4NT and Windows PowerShell.

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Tz database

The tz database is a collaborative compilation of information about the world's time zones, primarily intended for use with computer programs and operating systems.

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Ultrix

Ultrix (officially all-caps ULTRIX) is the brand name of Digital Equipment Corporation's (DEC) discontinued native Unix operating systems for the PDP-11, VAX and DECstations.

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Uname

uname (short for unix name) is a computer program in Unix and Unix-like computer operating systems that prints the name, version and other details about the current machine and the operating system running on it.

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Underground (Dreyfus book)

Underground: Tales of Hacking, Madness and Obsession on the Electronic Frontier is a 1997 book by Suelette Dreyfus, researched by Julian Assange.

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Uniface (programming language)

Uniface is a development and deployment platform for enterprise applications that can run in a large range of runtime environments, including mobile, mainframe, web, Service-oriented architecture (SOA), Windows, Java EE and.NET.

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Unified Extensible Firmware Interface

The Unified Extensible Firmware Interface (UEFI) is a specification that defines a software interface between an operating system and platform firmware.

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Unit Control Block

In IBM mainframe operating systems from the OS/360 and successors line, a Unit Control Block (UCB) is a memory structure, or a control block, that describes any single input/output peripheral device (unit), or an exposure (alias), to the operating system.

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Unix

Unix (trademarked as UNIX) is a family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix, development starting in the 1970s at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others.

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Uptime

Uptime is a measure of the time a machine, typically a computer, has been working and available.

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UTOPIA (bioinformatics tools)

UTOPIA (User-friendly Tools for Operating Informatics Applications) is a suite of free tools for visualising and analysing bioinformatics data.

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UUCP

UUCP is an abbreviation of Unix-to-Unix Copy.

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VAX

VAX is a discontinued instruction set architecture (ISA) developed by Digital Equipment Corporation (DEC) in the mid-1970s.

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VAX 7000/10000

The VAX 7000 and VAX 10000 were a series of high-end multiprocessor minicomputers developed and manufactured by Digital Equipment Corporation (DEC), introduced in July 1992.

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VAX 9000

The VAX 9000, code named Aridus or Aquarius, was a family of supercomputer and mainframe computers developed and manufactured by Digital Equipment Corporation (DEC) using processors implementing the VAX instruction set architecture (ISA).

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Vax Common Lisp

VAX LISP was an implementation of Common Lisp for VMS and ULTRIX on 32-bit VAXs.

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VAX Macro

VAX Macro is the computer assembly language implementing the instruction set for the line of CPUs designed to run the OpenVMS operating system created by Digital Equipment Corporation in 1977.

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VAX-11

The VAX-11 is a discontinued family of minicomputers developed and manufactured by Digital Equipment Corporation (DEC) using processors implementing the VAX instruction set architecture (ISA).

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VAXELN

VAXELN is a discontinued real-time operating system for the VAX family of computers produced by the Digital Equipment Corporation (DEC) of Maynard, Massachusetts.

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VAXft

The VAXft was a family of fault-tolerant minicomputers developed and manufactured by Digital Equipment Corporation (DEC) using processors implementing the VAX instruction set architecture (ISA).

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VAXmate

VAXmate was an IBM PC/AT compatible personal computer introduced by Digital Equipment Corporation in September, 1986.

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VAXstation

The VAXstation was a family of workstation computers developed and manufactured by Digital Equipment Corporation (DEC) using processors implementing the VAX instruction set architecture (ISA).

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Vermilion

Vermilion (sometimes spelled vermillion) is both a brilliant red or scarlet pigment originally made from the powdered mineral cinnabar and the name of the resulting color.

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Versioning file system

A versioning file system is any computer file system which allows a computer file to exist in several versions at the same time.

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Victor Bahl

Victor Bahl is an American computer scientist at Microsoft Research in Redmond, Washington.

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Vile (editor)

vile is a text editor that attempts to combine the best aspects of the popular Emacs and vi editors.

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Vim (text editor)

Vim ("Vim is pronounced as one word, like Jim, not vi-ai-em. It's written with a capital, since it's a name, again like Jim." a contraction of Vi IMproved) is a clone, with additions, of Bill Joy's vi text editor program for Unix.

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Virtual memory

In computing, virtual memory (also virtual storage) is a memory management technique that provides an "idealized abstraction of the storage resources that are actually available on a given machine" which "creates the illusion to users of a very large (main) memory." The computer's operating system, using a combination of hardware and software, maps memory addresses used by a program, called virtual addresses, into physical addresses in computer memory.

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VMS

VMS may refer to.

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VMScluster

A VMScluster is a computer cluster involving a group of computers running the OpenVMS operating system.

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VSI

VSI may stand for.

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VT1000

The VT1000 was a monochrome X Window System computer terminal introduced by Digital Equipment Corporation (DEC) in April 1990.

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Vulnerability (computing)

In computer security, a vulnerability is a weakness which can be exploited by a Threat Actor, such as an attacker, to perform unauthorized actions within a computer system.

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WANK (computer worm)

The WANK Worm was a computer worm that attacked DEC VMS computers in 1989 over the DECnet.

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WATFIV

WATFIV, or WATerloo FORTRAN IV, developed at the University of Waterloo, Canada is an implementation of the Fortran computer programming language.

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WavPack

WavPack is a free and open-source lossless audio compression format.

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Web-Based Enterprise Management

In computing, Web-Based Enterprise Management (WBEM) comprises a set of systems-management technologies developed to unify the management of distributed computing environments.

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Wget

GNU Wget (or just Wget, formerly Geturl, also written as its package name, wget) is a computer program that retrieves content from web servers.

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Windows 9x

Windows 9x is a generic term referring to a series of Microsoft Windows computer operating systems produced from 1995 to 2000, which were based on the Windows 95 kernel and its underlying foundation of MS-DOS, both of which were updated in subsequent versions.

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Windows NT

Windows NT is a family of operating systems produced by Microsoft, the first version of which was released in July 1993.

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Windows Script Host

The Microsoft Windows Script Host (WSH) (formerly named Windows Scripting Host) is an automation technology for Microsoft Windows operating systems that provides scripting abilities comparable to batch files, but with a wider range of supported features.

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Workstation

A workstation is a special computer designed for technical or scientific applications.

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WxWidgets

wxWidgets ("wix-widgets", formerly wxWindows) is a widget toolkit and tools library for creating graphical user interfaces (GUIs) for cross-platform applications.

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X Window System

The X Window System (X11, or shortened to simply X) is a windowing system for bitmap displays, common on UNIX-like computer operating systems.

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Xitami

Xitami is a Web and FTP server, originally developed by iMatix Corporation as a free, open-source product from 1996 to 2000.

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Xv (software)

xv is a shareware program written by John Bradley to display and modify digital images under the X Window System.

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Xyzzy (computing)

Xyzzy is a magic word from the Colossal Cave Adventure computer game.

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Zardoz (computer security)

In computer security, the Zardoz list, more formally known as the Security-Digest list, was a famous semi-private full disclosure mailing list run by Neil Gorsuch from 1989 through 1991.

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Zoltán Árpádffy

Zoltán Árpádffy (born August 6, 1966 in Subotica, Yugoslavia) is an active member of the open source software community.

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Zoo (file format)

zoo is a data compression program and format developed by Rahul Dhesi in the mid-1980s.

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ZOPL

ZOPL is a programming language created by Geac Computer Corporation in the early 1970s for use on their mainframe computer systems used in libraries and banking institutions.

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.exe

.exe is a common filename extension denoting an executable file (the main execution point of a computer program) for DOS, OpenVMS, Microsoft Windows, Symbian or OS/2.

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3Server

The 3Com 3Server was a headless dedicated network-attached storage machine designed to run 3Com local area network (LAN) server software, 3+Share.

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64-bit computing

In computer architecture, 64-bit computing is the use of processors that have datapath widths, integer size, and memory address widths of 64 bits (eight octets).

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7-Zip

7-Zip is a free and open-source file archiver, a utility used to place groups of files within compressed containers known as "archives".

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Redirects here:

Open VMS, Open vms, OpenVMS 7.2, Openvms, VAX/VMS, VMS (operating system), VMS Software Inc, Vax/vms, Virtual Memory System.

References

[1] https://en.wikipedia.org/wiki/OpenVMS

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