System III was a version of the Unix operating system released by AT&T's Unix System Group (USG). It was first released outside of Bell Labs in 1982. It was based on Version 7 and followed by System V. UNIX® (or Unix) is a portable, multi-task and multi-user computer operating system originally developed by a group of AT&T Bell Labs employees including Ken Thompson, Dennis Ritchie and Douglas McIlroy. ... AT&T (formerly an abbreviation for American Telephone and Telegraph) Corporation (NYSE: T) is an American telecommunications company. ... Bell Telephone Laboratories or Bell Labs was originally the research and development arm of the United States Bell System, and was the premier corporate facility of its type, developing a range of revolutionary technologies from telephone switches to specialized coverings for telephone cables, to the transistor. ... 1982 is a number and represents a common year starting on Friday of the Gregorian calendar Events January-February January 6 - William Bonin is convicted of being the freeway killer. January 8 - AT&T agrees to divest itself of twenty-two subdivisions January 11 - Mark Thatcher, son of the British... Early Unix releases were named based on the edition of the documentation that described them. ... AT&T UNIX System V was one of the versions of the UNIX operating system. ...
System III combined various improvements to Version 7 by outside organizations. However, it did not include notable improvements made in BSD, such as the C shell (csh) and screen editing. BSD redirects here; for other uses see BSD (disambiguation). ... The C shell (csh) is a Unix shell developed by Bill Joy for the BSD Unix system. ...
UnixSystem V commonly abbreviated SysV and rarely called System 5, was one of the versions of the Unix operating system.
During the period of the Unix wars System V was known for being the primary choice of manufacturers of large multiuser systems, in opposition to BSD's dominance of desktop workstations.
System V Release 4.0 was announced on November 1, 1989 and was released in 1990.
UNIXSystemIII (sometimes called System 3) was a version of the Unix operating system released by ATandT's Unix Support Group (USG).
The system was apparently called SystemIII because it was considered the outside release of UNIX/TS 3.0.1 and CB UNIX 3, which were internally supported Bell Labs Unices.
SystemIII introduced new features such as named pipes, the uname system call and command, and the run queue, and combined various improvements to Version 7 by outside organizations.
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