Difference between revisions of "Unix"
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'''Unix''' is a family of multitasking, multiuser computer [[operating system]]s that derive from the original [[AT&T]] Unix, development starting in the 1970s at the Bell Labs research centre by Ken Thompson, Dennis Ritchie, and others.<ref>''[https://archive.org/details/bstj57-6-1905/mode/2up "BSTJ 57: 6. July-August 1978: The UNIX Time-Sharing System. (Ritchie, D.M.; Thompson, K.)"]''</ref> | '''Unix''' is a family of multitasking, multiuser computer [[operating system]]s that derive from the original [[AT&T]] Unix, development starting in the 1970s at the Bell Labs research centre by Ken Thompson, Dennis Ritchie, and others.<ref>''[https://archive.org/details/bstj57-6-1905/mode/2up "BSTJ 57: 6. July-August 1978: The UNIX Time-Sharing System. (Ritchie, D.M.; Thompson, K.)"]''</ref> | ||
Latest revision as of 16:57, 6 April 2020
 Unix  (operating system)   | |
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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 centre by Ken Thompson, Dennis Ritchie, and others.[1]
Initially intended for use inside the Bell System, AT&T licensed Unix to outside parties in the late 1970s, leading to a variety of both academic and commercial Unix variants from vendors including University of California, Berkeley (BSD), Microsoft (Xenix), IBM (AIX), and Sun Microsystems (Solaris). In the early 1990s, AT&T sold its rights in Unix to Novell, which then sold its Unix business to the Santa Cruz Operation (SCO) in 1995.[2] The Unix trademark passed to The Open Group, a neutral industry consortium, which allows the use of the mark for certified operating systems that comply with the Single Unix Specification (SUS).[3]
Unix systems are characterised by a modular design that is sometimes called the "Unix philosophy": the operating system provides a set of simple tools that each performs a limited, well-defined function, with a unified filesystem (the Unix filesystem) as the main means of communication, and a shell scripting and command language (the Unix shell) to combine the tools to perform complex workflows. Unix distinguishes itself from its predecessors as the first portable operating system: almost the entire operating system is written in the C programming language, thus allowing Unix to reach numerous platforms.[4]
References
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