OpenVMS and Operating system

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Difference between OpenVMS and Operating system

OpenVMS vs. Operating system

OpenVMS is a closed-source, proprietary computer operating system for use in general-purpose computing. An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.

Batch processing

In computing, batch processing refers to a computer working through a queue or batch of separate jobs (programs) without manual intervention (non-interactive).

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C (programming language)

C (as in the letter ''c'') is a general-purpose, imperative computer programming language, supporting structured programming, lexical variable scope and recursion, while a static type system prevents many unintended operations.

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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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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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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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DECnet

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

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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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File system

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

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Graphical user interface

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.

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Hewlett-Packard

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.

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Input/output

In computing, input/output or I/O (or, informally, io or IO) is the communication between an information processing system, such as a computer, and the outside world, possibly a human or another information processing system.

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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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Message transfer agent

Within Internet message handling services (MHS), a message transfer agent or mail transfer agent (MTA) or mail relay is software that transfers electronic mail messages from one computer to another using a client–server application architecture.

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Microsoft

Microsoft Corporation (abbreviated as MS) is an American multinational technology company with headquarters in Redmond, Washington.

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Multi-user software

Multi-user software is software that allows access by multiple users of a computer.

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OpenVMS

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

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PDP-11

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.

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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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Proprietary 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.

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Real-time operating system

A real-time operating system (RTOS) is an operating system (OS) intended to serve real-time applications that process data as it comes in, typically without buffer delays.

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Runtime library

In computer programming, a runtime library (RTL) is a set of low-level routines used by a compiler to invoke some of the behaviors of a runtime environment, by inserting calls to the runtime library into compiled executable binary.

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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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Server (computing)

In computing, a server is a computer program or a device that provides functionality for other programs or devices, called "clients".

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Shell (computing)

In computing, a shell is a user interface for access to an operating system's services.

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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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United States Department of Defense

The Department of Defense (DoD, USDOD, or DOD) is an executive branch department of the federal government of the United States charged with coordinating and supervising all agencies and functions of the government concerned directly with national security and the United States Armed Forces.

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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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VAX

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

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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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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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X86

x86 is a family of backward-compatible instruction set architectures based on the Intel 8086 CPU and its Intel 8088 variant.

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X86-64

x86-64 (also known as x64, x86_64, AMD64 and Intel 64) is the 64-bit version of the x86 instruction set.

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32-bit

32-bit microcomputers are computers in which 32-bit microprocessors are the norm.

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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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