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Index Unix-like

A Unix-like (sometimes referred to as UN*X or *nix) operating system is one that behaves in a manner similar to a Unix system, while not necessarily conforming to or being certified to any version of the Single UNIX Specification. [1]

81 relations: A/UX, Ancient UNIX, Application software, Architecture of Windows NT, AT&T, AT&T Corporation, Bell Labs, Berkeley Software Distribution, Bourne shell, BSD/OS, Certification mark, Coherent (operating system), Command-line interface, Compatibility layer, Cygwin, Darwin (operating system), De facto, Dennis Ritchie, Environmental subsystem, Eric S. Raymond, Executable and Linkable Format, Free and open-source software, FreeBSD, Generic trademark, GNU, Groklaw, Guy L. Steele Jr., Hamilton C shell, HP-UX, Hummingbird Ltd., IBM AIX, Idris (operating system), Illumos, Interix, IRIX, Jargon File, Linux, Linux distribution, Linux Standard Base, List of Linux distributions, List of operating systems, List of Unix commands, Mac OS X Leopard, MacOS, Microsoft Windows, MinGW, MINIX, MKS Toolkit, Open-source model, Operating system, ..., Perl, POSIX, Proprietary software, Resource Kit, Shell (computing), Single UNIX Specification, Software license, Solaris (operating system), SunOS, Technical standard, The Open Group, Trademark, Tru64 UNIX, Ubuntu (operating system), Ultrix, UniFLEX, University of California, Berkeley, Unix, Unix shell, UNIX System Services, UNIX System V, UNOS (operating system), UWIN, Wildcard character, Windows API, Windows NT, Windows Subsystem for Linux, Xenix, Xinu, XNU, Z/OS. Expand index (31 more) »


A/UX is a discontinued Apple Computer implementation of the Unix operating system for some of its Macintosh computers.

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Ancient UNIX

Ancient UNIX is a term coined by Santa Cruz Operation, to describe early releases of the Unix code base released prior to Unix System III, particularly the Research Unix releases prior to and including Version 7 (the base for UNIX/32V as well as later developments of AT&T Unix).

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Application software

An application software (app or application for short) is a computer software designed to perform a group of coordinated functions, tasks, or activities for the benefit of the user.

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Architecture of Windows NT

The architecture of Windows NT, a line of operating systems produced and sold by Microsoft, is a layered design that consists of two main components, user mode and kernel mode.

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AT&T Inc. is an American multinational conglomerate holding company headquartered at Whitacre Tower in Downtown Dallas, Texas.

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AT&T Corporation

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.

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Bell Labs

Nokia Bell Labs (formerly named AT&T Bell Laboratories, Bell Telephone Laboratories and Bell Labs) is an American research and scientific development company, owned by Finnish company Nokia.

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Berkeley Software Distribution

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.

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Bourne shell

The Bourne shell (sh) is a shell, or command-line interpreter, for computer operating systems.

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BSD/OS (originally called BSD/386 and sometimes known as BSDi) is a discontinued proprietary version of the BSD operating system developed by Berkeley Software Design, Inc.

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Certification mark

A certification mark (or conformity mark) on a commercial product indicates the existence of an accepted product standard or regulation and a claim that the manufacturer has verified compliance with those standards or regulations.

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Coherent (operating system)

Coherent is a clone of the Unix operating system for IBM PC compatibles and other microcomputers, developed and sold by the now-defunct Mark Williams Company (MWC).

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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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Compatibility layer

In software engineering, a compatibility layer is an interface that allows binaries for a legacy or foreign system to run on a host system.

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Cygwin is a Unix-like environment and command-line interface for Microsoft Windows.

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Darwin (operating system)

Darwin is an open-source Unix operating system first released by Apple Inc. in 2000.

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De facto

In law and government, de facto (or;, "in fact") describes practices that exist in reality, even if not legally recognised by official laws.

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Dennis Ritchie

Dennis MacAlistair Ritchie (September 9, 1941 – October 12, 2011) was an American computer scientist.

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Environmental subsystem

Environmental subsystems are central components of operating systems of the Windows NT type.

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Eric S. Raymond

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.

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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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Free and open-source software

Free and open-source software (FOSS) is software that can be classified as both free software and open-source software.

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FreeBSD is a free and open-source Unix-like operating system descended from Research Unix via the Berkeley Software Distribution (BSD).

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Generic trademark

A generic trademark, also known as a genericized trademark or proprietary eponym, is a trademark or brand name that, due to its popularity or significance, has become the generic name for, or synonymous with, a general class of product or service, usually against the intentions of the trademark's holder.

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GNU is an operating system and an extensive collection of computer software.

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Groklaw was a website that covered legal news of interest to the free and open source software community.

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Guy L. Steele Jr.

Guy Lewis Steele Jr. (born October 2, 1954) is an American computer scientist who has played an important role in designing and documenting several computer programming languages.

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Hamilton C shell

Hamilton C shell is a clone of the Unix C shell and utilities Early for Microsoft Windows created by Nicole Hamilton at Hamilton Laboratories as a completely original work, not based on any prior code.

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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.

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Hummingbird Ltd.

Hummingbird Ltd. (previously NASDAQ: HUMC, TSX: HUM) is a subsidiary of OpenText and is a provider of enterprise software solutions including Exceed.

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AIX (Advanced Interactive eXecutive, pronounced) is a series of proprietary Unix operating systems developed and sold by IBM for several of its computer platforms.

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Idris (operating system)

Idris is a discontinued multi-tasking, Unix-like, multi-user, real-time operating system released by Whitesmiths, of Westford, Massachusetts.

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illumos is a free and open-source Unix operating system.

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Interix was an optional, POSIX-conformant Unix subsystem for Windows NT operating systems.

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IRIX is a discontinued operating system developed by Silicon Graphics (SGI) to run on their MIPS workstations and servers.

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Jargon File

The Jargon File is a glossary and usage dictionary of slang used by computer programmers.

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Linux is a family of free and open-source software operating systems built around the Linux kernel.

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Linux distribution

A Linux distribution (often abbreviated as distro) is an operating system made from a software collection, which is based upon the Linux kernel and, often, a package management system.

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Linux Standard Base

The Linux Standard Base (LSB) is a joint project by several Linux distributions under the organizational structure of the Linux Foundation to standardize the software system structure, including the filesystem hierarchy used in the Linux operating system.

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List of Linux distributions

This page provides general information about notable Linux distributions in the form of a categorized list.

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List of operating systems

This is a list of operating systems.

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List of Unix commands

This is a list of Unix commands as specified by IEEE Std 1003.1-2008, which is part of the Single UNIX Specification (SUS).

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Mac OS X Leopard

Mac OS X Leopard (version 10.5) is the sixth major release of Mac OS X (now named macOS), Apple's desktop and server operating system for Macintosh computers.

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macOS (previously and later) is a series of graphical operating systems developed and marketed by Apple Inc. since 2001.

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Microsoft Windows

Microsoft Windows is a group of several graphical operating system families, all of which are developed, marketed, and sold by Microsoft.

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MinGW (Minimalist GNU for Windows), formerly mingw32, is a free and open source software development environment for creating Microsoft Windows applications.

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MINIX (from "mini-Unix") is a POSIX-compliant (since version 2.0), Unix-like operating system based on a microkernel architecture.

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MKS Toolkit

MKS Toolkit is a software package produced and maintained by that provides a Unix-like environment for scripting, connectivity and porting Unix and Linux software to both 32- and 64-bit Microsoft Windows systems.

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Open-source model

The open-source model is a decentralized software-development model that encourages open collaboration.

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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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Perl is a family of two high-level, general-purpose, interpreted, dynamic programming languages, Perl 5 and Perl 6.

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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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Resource Kit

Resource Kit is a term used by Microsoft for a set of software resources and documentation released for their software products, but which is not part of that product.

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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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Single UNIX Specification

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.

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Software license

A software license is a legal instrument (usually by way of contract law, with or without printed material) governing the use or redistribution of software.

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Solaris (operating system)

Solaris is a Unix operating system originally developed by Sun Microsystems.

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SunOS is a Unix-branded operating system developed by Sun Microsystems for their workstation and server computer systems.

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Technical standard

A technical standard is an established norm or requirement in regard to technical systems.

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The Open Group

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".

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A trademark, trade mark, or trade-markThe styling of trademark as a single word is predominantly used in the United States and Philippines only, while the two-word styling trade mark is used in many other countries around the world, including the European Union and Commonwealth and ex-Commonwealth jurisdictions (although Canada officially uses "trade-mark" pursuant to the Trade-mark Act, "trade mark" and "trademark" are also commonly used).

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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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Ubuntu (operating system)

Ubuntu (stylized as ubuntu) is a free and open source operating system and Linux distribution based on Debian.

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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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UniFLEX is a Unix-like operating system developed by Technical Systems Consultants (TSC) for the Motorola 6809 family which allowed multitasking and multiprocessing.

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University of California, Berkeley

The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California) is a public research university in Berkeley, California.

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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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Unix shell

A Unix shell is a command-line interpreter or shell that provides a traditional Unix-like command line user interface.

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UNIX System Services

UNIX System Services (USS) is a required, included component of z/OS.

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UNIX System V

UNIX System V (pronounced: "System Five") is one of the first commercial versions of the Unix operating system.

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UNOS (operating system)

UNOS is the first, now discontinued, 32-bit Unix-like real-time operating system (RTOS) with real-time extensions.

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UWIN is a computer software package created by David Korn which allows programs written for the operating system Unix to be built and run on Microsoft Windows with few, if any, changes.

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Wildcard character

In software, a wildcard character is a kind of placeholder represented by a single character, such as an asterisk, which can be interpreted as a number of literal characters or an empty string.

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Windows API

The Windows API, informally WinAPI, is Microsoft's core set of application programming interfaces (APIs) available in the Microsoft Windows operating systems.

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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 Subsystem for Linux

Windows Subsystem for Linux (WSL) is a compatibility layer for running Linux binary executables (in ELF format) natively on Windows 10.

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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.

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Xinu Is Not Unix (Xinu, a recursive acronym), is an operating system for embedded systems, originally developed by Douglas Comer for educational use at Purdue University in the 1980s.

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XNU is the computer operating system kernel developed at Apple Inc. since December 1996 for use in the macOS operating system and released as free and open-source software as part of the Darwin operating system.

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z/OS is a 64-bit operating system for IBM mainframes, produced by IBM.

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Redirects here:

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[1] https://en.wikipedia.org/wiki/Unix-like

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