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Unix-like
A Unix-like (sometimes referred to as UN*X or *nix) operating system An operating system (OS) is system software System software is software designed to provide a platform for other software. Examples of system software include operating systems (OS) like macOS, Linux, Android (operating system), Android and Mi ... is one that behaves in a manner similar to a Unix Unix (; trademarked as UNIX) is a family of multitasking, multiuser Multi-user software is computer software Software is a collection of Instruction (computer science), instructions that tell a computer how to work. This is in contrast t ... system, while not necessarily conforming to or being certified to any version of the Single UNIX Specification The Single UNIX Specification (SUS) is the collective name of a family of standards for computer A computer is a machine that can be programmed to carry out sequences of arithmetic or logical operations automatically. Modern computers can .... A ...
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Unix History-simple
Unix (; trademarked as UNIX) is a family of multitasking, multiuser Multi-user software is computer software Software is a collection of instructions Instruction or instructions may refer to: Computing * Instruction, one operation of a processor within a computer architecture instruction set * Computer progr ... computer operating system An operating system (OS) is system software System software is software designed to provide a platform for other software. Examples of system software include operating systems (OS) like macOS, Linux, Android (operating system), Android and Mi ...s that derive from the original AT&T AT&T Inc. is an American multinational Multinational may refer to: * Multinational corporation, a corporate organization operating in multiple countries * Multinational force, a military body from multiple countries * Multinational state, a ... Unix, whose development started in 1969 at the Bell Labs Nokia Bell Labs (formerly named Bell L ...
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UNIX
Unix (; trademarked as UNIX) is a family of multitasking, multiuser Multi-user software is computer software Software is a collection of Instruction (computer science), instructions that tell a computer how to work. This is in contrast to Computer hardware, hardware, from which the system is built and actually ... computer operating system An operating system (OS) is system software System software is software designed to provide a platform for other software. Examples of system software include operating systems like macOS macOS (; previously Mac OS X and later ...s that derive from the original AT&T AT&T Inc. is an American multinational Multinational may refer to: * Multinational corporation, a corporate organization operating in multiple countries * Multinational force, a military body from multiple countries * Multinational state, a s ... Unix, whose development started in 1969 at the Bell Labs Nokia Bell Labs (formerly named Bell La ...
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Unix
Unix (; trademarked as UNIX) is a family of multitasking, multiuser Multi-user software is computer software Software is a collection of Instruction (computer science), instructions that tell a computer how to work. This is in contrast to Computer hardware, hardware, from which the system is built and actually ... computer operating system An operating system (OS) is system software System software is software designed to provide a platform for other software. Examples of system software include operating systems like macOS macOS (; previously Mac OS X and later ...s that derive from the original AT&T AT&T Inc. is an American multinational Multinational may refer to: * Multinational corporation, a corporate organization operating in multiple countries * Multinational force, a military body from multiple countries * Multinational state, a s ... Unix, whose development started in 1969 at the Bell Labs Nokia Bell Labs (formerly named Bell La ...
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Linux
Linux ( or ) is a family of open-source Open source is source code that is made freely available for possible modification and redistribution. Products include permission to use the source code, design documents, or content of the product. The open-source model is a decentralized softwar ... Unix-like A Unix-like (sometimes referred to as UN*X or *nix) operating system An operating system (OS) is system software that manages computer hardware, computer software, software resources, and provides common daemon (computing), services for compu ... operating system An operating system (OS) is system software System software is software designed to provide a platform for other software. Examples of system software include operating systems like macOS macOS (; previously Mac OS X and later ...s based on the Linux kernel The Linux kernel is a free and open-source Free and open-source software (FOSS) is software that is both free software and ope ...
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Operating System
An operating system (OS) is system software System software is software designed to provide a platform for other software. Examples of system software include operating systems (OS) like macOS, Linux, Android (operating system), Android and Microsoft Windows, computational science software, ... that manages computer hardware Computer hardware includes the physical parts of a computer, such as the computer case, case, central processing unit (CPU), Computer monitor, monitor, Computer mouse, mouse, Computer keyboard, keyboard, computer data storage, graphics card, so ..., software Software is a collection of instructions that tell a computer A computer is a machine that can be programmed to carry out sequences of arithmetic or logical operations automatically. Modern computers can perform generic sets of operatio ... resources, and provides common services Service may refer to: Activities :''(See the Religion section for religious activities)'' * Administrativ ...
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Darwin (operating System)
Darwin is an open-source software, open-source Unix-like operating system first released by Apple Inc. in 2000. It is composed of code derived from NeXTSTEP, BSD, Mach (kernel), Mach, and other free software projects' code, as well as code developed by Apple. Darwin forms the Unix-based core set of components upon which macOS (previously OS X and Mac OS X), iOS, watchOS, tvOS, iPadOS and bridgeOS are based. It is mostly POSIX-compatible, but has never, by itself, been certified as compatible with any version of POSIX. Starting with Mac OS X Leopard, Leopard, macOS has been certified as compatible with the Single UNIX Specification version 3 (SUSv3). History The heritage of Darwin began with Unix derivatives supplemented by aspects of NeXT's NeXTSTEP operating system (later, since version 4.0, known as OPENSTEP), first released in 1989. After Apple bought NeXT in 1997, it announced it would base its next operating system on OPENSTEP. This was developed into Rhapsody (operating ...
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MacOS
macOS (; previously Mac OS X and later OS X) is a proprietary {{Short pages monitor

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Unix Shell
A Unix shell is a command-line interpreter or shell Shell may refer to: Architecture and design * Shell (structure)A shell is a type of structural element which is characterized by its geometry, being a three-dimensional solid whose thickness is very small when compared with other dimensions, and ... that provides a command line user interface In the industrial design Industrial design is a process of design A design is a plan or specification for the construction of an object or system or for the implementation of an activity or process, or the result of that plan or specificati ... for Unix-like A Unix-like (sometimes referred to as UN*X or *nix) operating system An operating system (OS) is system software that manages computer hardware, computer software, software resources, and provides common daemon (computing), services for compu ... operating system An operating system (OS) is system software System software is software designed to provide a platfo ...
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Xenix
Xenix is a discontinued version of the Unix Unix (; trademarked as UNIX) is a family of multitasking, multiuser Multi-user software is computer software Software is a collection of Instruction (computer science), instructions that tell a computer how to work. This is in contrast t ... operating system An operating system (OS) is system software System software is software designed to provide a platform for other software. Examples of system software include operating systems (OS) like macOS, Linux, Android (operating system), Android and Mi ... for various microcomputer A microcomputer is a small, relatively inexpensive computer with a microprocessor as its central processing unit (CPU). It includes a microprocessor, Computer memory, memory and minimal input/output (I/O) circuitry mounted on a single printed ci ... platforms, licensed by Microsoft Microsoft Corporation is an American multinational Multinational may refer to: * Multinational corporation ...
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Wildcard Character
In software Software is a collection of instructions Instruction or instructions may refer to: Computing * Instruction, one operation of a processor within a computer architecture instruction set * Computer program, a collection of instructions Music * I ..., a wildcard character is a kind of placeholder represented by a single character Character(s) may refer to: Arts, entertainment, and media Literature * ''Character'' (novel), a 1936 Dutch novel by Ferdinand Bordewijk * ''Characters'' (Theophrastus), a classical Greek set of character sketches attributed to Theophrastus M ..., such as an asterisk The asterisk , from Late Latin , from Ancient Greek , ''asteriskos'', "little star", is a Typography, typographical symbol. It is so called because it resembles a conventional image of a star (heraldry), star. Computer scientists and mathem ... (), which can be interpreted as a number of literal characters or an empty string In formal language theory In l ...
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Single UNIX Specification
The Single UNIX Specification (SUS) is the collective name of a family of standards for computer A computer is a machine that can be programmed to Execution (computing), carry out sequences of arithmetic or logical operations automatically. Modern computers can perform generic sets of operations known as Computer program, programs. These ... operating system An operating system (OS) is system software System software is software designed to provide a platform for other software. Examples of system software include operating systems (OS) like macOS, Linux, Android (operating system), Android and Mi ...s, compliance with which is required to qualify for using the "UNIX Unix (; trademarked as UNIX) is a family of multitasking, multiuser Multi-user software is computer software Software is a collection of Instruction (computer science), instructions that tell a computer how to work. This is in contrast t ..." trademark. The core specifications of the SUS are de ...
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List Of Unix Commands
This is a list of Unix commands as specified by Institute of Electrical and Electronics Engineers, IEEE Std 1003.1-2008, which is part of the Single UNIX Specification (SUS). These commands can be found on Unix operating systems and most Unix-like operating systems. List See also * List of GNU Core Utilities commands * List of GNOME applications * List of GNU packages * List of KDE applications * List of Unix daemons * List of web browsers for Unix and Unix-like operating systems * Unix philosophy * util-linux, Footnotes External links IEEE Std 1003.1,2004 specificationsIEEE Std 1003.1,2008 specifications– configurable list of equivalent programs for *nix systems.
– explains the names of many Unix commands. {{Unix commands Lists of software, Unix programs System administration Unix SUS2008 utilities, ...
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