149 relations: A/UX, Access control list, Amiga Unix, Apple Inc., Application binary interface, Application programming interface, AT&T Corporation, Atari Corporation, Atari TT030, Berkeley sockets, Berkeley Software Distribution, Blit (computer terminal), C shell, CB UNIX, COFF, Commodore International, Compaq, Computational science, Computerworld, Copy-on-write, Curses (programming library), Data center, Data General, DC/OSx, Dell, Demand paging, Device driver, DG/UX, Digital Equipment Corporation, Eric S. Raymond, Everex, EWS-UX, Executable and Linkable Format, External Data Representation, File locking, Fork (software development), FreeBSD, Fujitsu, Graphical user interface, Halloween documents, Hewlett-Packard, High-performance technical computing, Hitachi, HP 9000, HP-UX, IA-64, IBM, IBM AIX, Illumos, InfoWorld, ..., Inode, Intel Binary Compatibility Standard, Inter-process communication, Interactive Systems Corporation, International Computers Limited, International Data Corporation, Internationalization and localization, Internet protocol suite, IRIX, Itanium, KornShell, Library (computing), Linux, MacOS, Man page, Microport, Minicomputer, Mmap, Morgan Kaufmann Publishers, Multiprocessing, NCR Corporation, NEC, Network File System, Novell, O'Reilly, Oki Electric Industry, Olivetti, Open Network Computing Remote Procedure Call, Open-source model, Open-source software, OpenIndiana, OpenServer, OpenSolaris, OpenWindows, Operating system, Oracle Corporation, Payroll, PDP-11, POSIX, Programmer, Proprietary software, Pyramid Technology, Reference implementation, Remote File Sharing, Santa Cruz Operation, SCO Group, Semaphore (programming), Sequent Computer Systems, Server (computing), Shared memory, Siemens, Silicon Graphics, Single UNIX Specification, SINIX, Smallfoot, SmartOS, Solaris (operating system), Sony, Sony NEWS, SPARC, STREAMS, Sumitomo Electric Industries, Sun Microsystems, SunOS, Supercomputer, System V Interface Definition, The Open Group, TOP500, Transport Layer Interface, Tru64 UNIX, Trusted Computer System Evaluation Criteria, Ultrix, Unisys, Univel, University of California, Berkeley, Unix, Unix File System, Unix shell, UNIX System III, Unix System Laboratories, UNIX System V, Unix wars, Unix/NS, UnixWare, Usenet, UXP/DS, VAX, VAX-11, Veritas File System, Vi, Virtual file system, Web server, Windows NT, Workstation, X/Open, X86, Xenix, Xinuos, 3B series computers. Expand index (99 more) » « Shrink index
A/UX is a discontinued Apple Computer implementation of the Unix operating system for some of its Macintosh computers.
An access control list (ACL), with respect to a computer file system, is a list of permissions attached to an object.
Amiga Unix (informally known as Amix) is a discontinued full port of AT&T Unix System V Release 4 operating system, done by Commodore-Amiga, Inc. in 1990, for the Amiga computer family (in addition to the proprietary AmigaOS shipping with the line of computers by default).
Apple Inc. is an American multinational technology company headquartered in Cupertino, California, that designs, develops, and sells consumer electronics, computer software, and online services.
In computer software, an application binary interface (ABI) is an interface between two binary program modules; often, one of these modules is a library or operating system facility, and the other is a program that is being run by a user.
In computer programming, an application programming interface (API) is a set of subroutine definitions, protocols, and tools for building software.
AT&T Corp., originally the American Telephone and Telegraph Company, is the subsidiary of AT&T that provides voice, video, data, and Internet telecommunications and professional services to businesses, consumers, and government agencies.
Atari Corporation was an American manufacturer of computers and video game consoles from 1984 to 1996.
The Atari TT030 is a member of the Atari ST family, released in 1990.
Berkeley sockets is an application programming interface (API) for Internet sockets and Unix domain sockets, used for inter-process communication (IPC).
Berkeley Software Distribution (BSD) was a Unix operating system derivative developed and distributed by the Computer Systems Research Group (CSRG) of the University of California, Berkeley, from 1977 to 1995.
In computing, the Blit was a programmable bitmap graphics terminal designed by Rob Pike and Bart Locanthi Jr.
The C shell (csh or the improved version, tcsh) is a Unix shell created by Bill Joy while he was a graduate student at University of California, Berkeley in the late 1970s.
Columbus UNIX, or CB UNIX, is a discontinued variant of the UNIX operating system used internally at Bell Labs for administrative databases and transaction processing.
The Common Object File Format (COFF) is a format for executable, object code, and shared library computer files used on Unix systems.
Commodore International (or Commodore International Limited) was an American home computer and electronics manufacturer founded by Jack Tramiel.
Compaq (a portmanteau of Compatibility And Quality; occasionally referred to as CQ prior to its final logo) was a company founded in 1982 that developed, sold, and supported computers and related products and services.
Computational science (also scientific computing or scientific computation (SC)) is a rapidly growing multidisciplinary field that uses advanced computing capabilities to understand and solve complex problems.
Computerworld is a publication website and digital magazine for information technology (IT) and business technology professionals.
Copy-on-write (CoW or COW), sometimes referred to as implicit sharing or shadowing, is a resource-management technique used in computer programming to efficiently implement a "duplicate" or "copy" operation on modifiable resources.
curses is a terminal control library for Unix-like systems, enabling the construction of text user interface (TUI) applications.
A data center (American English) or data centre (Commonwealth English) is a facility used to house computer systems and associated components, such as telecommunications and storage systems.
Data General was one of the first minicomputer firms from the late 1960s.
DC/OSx (DataCenter/OSx) is a discontinued Unix operating system for MIPS based systems developed by Pyramid Technology.
Dell (stylized as DELL) is an American multinational computer technology company based in Round Rock, Texas, United States, that develops, sells, repairs, and supports computers and related products and services.
In computer operating systems, demand paging (as opposed to anticipatory paging) is a method of virtual memory management.
In computing, a device driver is a computer program that operates or controls a particular type of device that is attached to a computer.
DG/UX is a discontinued Unix operating system developed by Data General for its Eclipse MV minicomputer line, and later the AViiON workstation and server line (both Motorola 88000 and Intel IA-32-based variants).
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.
Eric Steven Raymond (born December 4, 1957), often referred to as ESR, is an American software developer, author of the widely cited 1997 essay and 1999 book The Cathedral and the Bazaar and other works, and open-source software advocate.
Everex ("Ever for Excellence!") is an American manufacturer of desktop and notebook personal computers.
EWS-UX is a Unix operating system used by NEC Corporation for its EWS-4800 line of engineering workstations.
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.
External Data Representation (XDR) is a standard data serialization format, for uses such as computer network protocols.
File locking is a mechanism that restricts access to a computer file by allowing only one user or process to access it in a specific time.
In software engineering, a project fork happens when developers take a copy of source code from one software package and start independent development on it, creating a distinct and separate piece of software.
FreeBSD is a free and open-source Unix-like operating system descended from Research Unix via the Berkeley Software Distribution (BSD).
is a Japanese multinational information technology equipment and services company headquartered in Tokyo, Japan.
The graphical user interface (GUI), is a type of user interface that allows users to interact with electronic devices through graphical icons and visual indicators such as secondary notation, instead of text-based user interfaces, typed command labels or text navigation.
The Halloween documents comprise a series of confidential Microsoft memoranda on potential strategies relating to free software, open-source software, and to Linux in particular, and a series of media responses to these memoranda.
The Hewlett-Packard Company (commonly referred to as HP) or shortened to Hewlett-Packard was an American multinational information technology company headquartered in Palo Alto, California.
High Performance Technical Computing (HPTC) refers to the application of high performance computing (HPC) to technical, as opposed to business or scientific, problems (although the lines between the various disciplines are necessarily vague).
() is a Japanese multinational conglomerate company headquartered in Chiyoda, Tokyo, Japan.
HP 9000 is a line of workstation and server computer systems produced by the Hewlett-Packard Company (HP).
HP-UX (from "Hewlett Packard Unix") is Hewlett Packard Enterprise's proprietary implementation of the Unix operating system, based on UNIX System V (initially System III) and first released in 1984.
IA-64 (also called Intel Itanium architecture) is the instruction set architecture (ISA) of the Itanium family of 64-bit Intel microprocessors.
The International Business Machines Corporation (IBM) is an American multinational technology company headquartered in Armonk, New York, United States, with operations in over 170 countries.
AIX (Advanced Interactive eXecutive, pronounced) is a series of proprietary Unix operating systems developed and sold by IBM for several of its computer platforms.
illumos is a free and open-source Unix operating system.
InfoWorld (formerly The Intelligent Machines Journal) is an information technology media business.
The inode is a data structure in a Unix-style file system that describes a filesystem object such as a file or a directory.
The Intel Binary Compatibility Standard (iBCS) is a standardized application binary interface (ABI) for Unix operating systems on Intel-386-compatible computers, published by AT&T, Intel and SCO in 1988, and updated in 1990.
In computer science, inter-process communication or interprocess communication (IPC) refers specifically to the mechanisms an operating system provides to allow the processes to manage shared data.
Interactive Systems Corporation (styled INTERACTIVE Systems Corporation, abbreviated ISC) was a US-based software company and the first vendor of the Unix operating system outside AT&T, operating from Santa Monica, California.
International Computers Limited (ICL) was a large British computer hardware, computer software and computer services company that operated from 1968 until 2002.
International Data Corporation (IDC) is a provider of market intelligence, advisory services, and events for the information technology, telecommunications, and consumer technology markets.
In computing, internationalization and localization are means of adapting computer software to different languages, regional differences and technical requirements of a target locale.
The Internet protocol suite is the conceptual model and set of communications protocols used on the Internet and similar computer networks.
IRIX is a discontinued operating system developed by Silicon Graphics (SGI) to run on their MIPS workstations and servers.
Itanium is a family of 64-bit Intel microprocessors that implement the Intel Itanium architecture (formerly called IA-64).
KornShell (ksh) is a Unix shell which was developed by David Korn at Bell Labs in the early 1980s and announced at USENIX on July 14, 1983.
In computer science, a library is a collection of non-volatile resources used by computer programs, often for software development.
Linux is a family of free and open-source software operating systems built around the Linux kernel.
macOS (previously and later) is a series of graphical operating systems developed and marketed by Apple Inc. since 2001.
A man page (short for manual page) is a form of software documentation usually found on a Unix or Unix-like operating system.
Microport (1985–2002) created the first version of AT&T UNIX System V for the IBM 286 and 386 Personal Computers, as well as IBM's PS/2 systems.
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.
In computing, mmap(2) is a POSIX-compliant Unix system call that maps files or devices into memory.
Morgan Kaufmann Publishers is a Burlington, Massachusetts (San Francisco, California until 2008) based publisher specializing in computer science and engineering content.
Multiprocessing is the use of two or more central processing units (CPUs) within a single computer system.
The NCR Corporation (originally National Cash Register) is a company that makes self-service kiosks, point-of-sale terminals, automated teller machines, check processing systems, barcode scanners, and business consumables.
is a Japanese multinational provider of information technology (IT) services and products, headquartered in Minato, Tokyo, Japan.
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.
Novell, Inc. was a software and services company headquartered in Provo, Utah.
O'Reilly (Ó Raghallaigh) is a group of families, ultimately all of Irish Gaelic origin, who were historically the kings of East Bréifne in what is today County Cavan.
, commonly referred to as OKI, OKI Electric or the OKI Group, is a Japanese company manufacturing and selling info-telecom and printer products.
Olivetti S.p.A. is an Italian manufacturer of typewriters, computers, tablets, smartphones, printers and other such business products as calculators and fax machines.
Open Network Computing (ONC) Remote Procedure Call (RPC) is a remote procedure call system.
The open-source model is a decentralized software-development model that encourages open collaboration.
Open-source software (OSS) is a type of computer software whose source code is released under a license in which the copyright holder grants users the rights to study, change, and distribute the software to anyone and for any purpose.
OpenIndiana is a free and open-source, Unix operating system derived from OpenSolaris and based on illumos.
Xinuos OpenServer, previously SCO UNIX and SCO Open Desktop (SCO ODT), is a closed source computer operating system developed by Santa Cruz Operation (SCO), later acquired by SCO Group, and now owned by Xinuos.
OpenSolaris is a discontinued, open source computer operating system based on Solaris created by Sun Microsystems.
OpenWindows was a desktop environment for Sun Microsystems workstations which combined SunView, NeWS, and X Window System protocols.
An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.
Oracle Corporation is an American multinational computer technology corporation, headquartered in Redwood Shores, California.
A payroll is a company's list of its employees, but the term is commonly used to refer to.
The PDP-11 is a series of 16-bit minicomputers sold by Digital Equipment Corporation (DEC) from 1970 into the 1990s, one of a succession of products in the PDP series.
The Portable Operating System Interface (POSIX) is a family of standards specified by the IEEE Computer Society for maintaining compatibility between operating systems.
A programmer, developer, dev, coder, or software engineer is a person who creates computer software.
Proprietary software is non-free computer software for which the software's publisher or another person retains intellectual property rights—usually copyright of the source code, but sometimes patent rights.
Pyramid Technology Corporation was a computer company that produced a number of RISC-based minicomputers at the upper end of the performance range.
In the software development process, a reference implementation (or, less frequently, sample implementation or model implementation) is the standard from which all other implementations and corresponding customizations are derived.
Remote File Sharing (RFS) is a discontinued distributed file system developed by AT&T in the 1980s.
Santa Cruz Operation (SCO) was a software company based in Santa Cruz, California which was best known for selling three Unix variants for Intel x86 processors: Xenix, SCO UNIX (later known as SCO OpenServer), and UnixWare.
SCO, The SCO Group, The TSG Group, Caldera Systems, and Caldera International are the various names of an American software company that became known for acquiring the Santa Cruz Operation's Server Software and Services divisions, and UnixWare and OpenServer technologies, and then, under CEO Darl McBride, pursuing a series of legal battles known as the SCO-Linux controversies.
In computer science, a semaphore is a variable or abstract data type used to control access to a common resource by multiple processes in a concurrent system such as a multitasking operating system.
Sequent Computer Systems was a computer company that designed and manufactured multiprocessing computer systems.
In computing, a server is a computer program or a device that provides functionality for other programs or devices, called "clients".
In computer science, shared memory is memory that may be simultaneously accessed by multiple programs with an intent to provide communication among them or avoid redundant copies.
Siemens AG is a German conglomerate company headquartered in Berlin and Munich and the largest industrial manufacturing company in Europe with branch offices abroad.
Silicon Graphics, Inc. (later rebranded SGI, historically known as Silicon Graphics Computer Systems or SGCS) was an American high-performance computing manufacturer, producing computer hardware and software.
The Single UNIX Specification (SUS) is the collective name of a family of standards for computer operating systems, compliance with which is required to qualify for using the "UNIX" trademark.
SINIX is a discontinued variant of the Unix operating system from Siemens Nixdorf Informationssysteme.
Smallfoot is the name of both a Rapid application development toolkit and an embedded operating system designed and released by Caldera Systems/Caldera International/The SCO Group in both UnixWare and Linux formats.
SmartOS is a free and open-source SVR4 hypervisor, based on the UNIX operating system that combines OpenSolaris technology with Linux's KVM virtualization.
Solaris is a Unix operating system originally developed by Sun Microsystems.
is a Japanese multinational conglomerate corporation headquartered in Kōnan, Minato, Tokyo.
The Sony NEWS ("Network Engineering Workstation", later "NetWorkStation") is a series of Unix workstations sold during the late 1980s and 1990s.
SPARC, for Scalable Processor Architecture, is a reduced instruction set computing (RISC) instruction set architecture (ISA) originally developed by Sun Microsystems.
In computer networking, STREAMS is the native framework in Unix System V for implementing character device drivers, network protocols, and inter-process communication.
is a manufacturer of electric wire and optical fiber cables.
Sun Microsystems, Inc. was an American company that sold computers, computer components, software, and information technology services and created the Java programming language, the Solaris operating system, ZFS, the Network File System (NFS), and SPARC.
SunOS is a Unix-branded operating system developed by Sun Microsystems for their workstation and server computer systems.
A supercomputer is a computer with a high level of performance compared to a general-purpose computer.
The System V Interface Definition (or SVID) is a standard that describes the AT&T UNIX System V behavior, including that of system calls, C libraries, available programs and devices.
The Open Group is an industry consortium that seeks to "enable the achievement of business objectives" by developing "open, vendor-neutral technology standards and certifications".
The TOP500 project ranks and details the 500 most powerful non-distributed computer systems in the world.
In computer networking, the Transport Layer Interface (TLI) was the networking API provided by AT&T UNIX System V Release 3 (SVR3) in 1987 and continued into Release 4 (SVR4).
Tru64 UNIX is a discontinued 64-bit UNIX operating system for the Alpha instruction set architecture (ISA), currently owned by Hewlett-Packard (HP).
Trusted Computer System Evaluation Criteria (TCSEC) is a United States Government Department of Defense (DoD) standard that sets basic requirements for assessing the effectiveness of computer security controls built into a computer system.
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.
Univel was a joint venture of Novell and AT&T's Unix System Laboratories (USL) that was formed in 1991 to develop and market the Destiny desktop Unix operating system, which was released in 1992 as UnixWare 1.0.
The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California) is a public research university in Berkeley, California.
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.
The Unix file system (UFS; also called the Berkeley Fast File System, the BSD Fast File System or FFS) is a file system supported by many Unix and Unix-like operating systems.
A Unix shell is a command-line interpreter or shell that provides a traditional Unix-like command line user interface.
UNIX System III (or System 3) is a discontinued version of the Unix operating system released by AT&T's Unix Support Group (USG).
Unix System Laboratories (USL), sometimes written UNIX System Laboratories, was an American software laboratory and product development company that existed from 1989 through 1993.
UNIX System V (pronounced: "System Five") is one of the first commercial versions of the Unix operating system.
The Unix wars were the struggles between vendors of the Unix computer operating system in the late 1980s and early 1990s to set the standard for Unix thenceforth.
Unix/NS (the NCR 3700 Operating System) is based on the Unix SVR4.
UnixWare is a Unix operating system.
Usenet is a worldwide distributed discussion system available on computers.
UXP/DS is a discontinued Unix operating system developed by Fujitsu for its line of workstations and network servers.
VAX is a discontinued instruction set architecture (ISA) developed by Digital Equipment Corporation (DEC) in the mid-1970s.
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).
The VERITAS File System (or VxFS; called JFS and OnlineJFS in HP-UX) is an extent-based file system.
vi is a screen-oriented text editor originally created for the Unix operating system.
A Virtual File System (VFS) or virtual filesystem switch is an abstraction layer on top of a more concrete file system.
Web server refers to server software, or hardware dedicated to running said software, that can serve contents to the World Wide Web.
Windows NT is a family of operating systems produced by Microsoft, the first version of which was released in July 1993.
A workstation is a special computer designed for technical or scientific applications.
X/Open Company, Ltd., originally the Open Group for Unix Systems, was a consortium founded by several European UNIX systems manufacturers in 1984 to identify and promote open standards in the field of information technology.
x86 is a family of backward-compatible instruction set architectures based on the Intel 8086 CPU and its Intel 8088 variant.
Xenix is a discontinued version of the Unix operating system for various microcomputer platforms, licensed by Microsoft from AT&T Corporation in the late 1970s.
Xinuos is an American software company that was created in 2009 and creates and sells operating system software.
The 3B series computers were a line of micro-programmable minicomputers produced by AT&T Computer Systems' Western Electric subsidiary.
ESIX, Esix, SVR1, SVR2, SVR3, SVR3.2, SVR4, SVR5, SVR6, SVRX, SVRx, SVr4, SYSV, Sys V, SysV, System 5, System V, System V Release 3, System V Release 4, System V Release 4.0, System V Unix, System V.4, SystemV, Systemv, UNIX System V Release 4, Unix System 5, Unix System V.