version 7

Slang Dictionary

Version 7

alt. V7 /vee' se'vn/ n. The first widely distributed version of Unix, released unsupported by Bell Labs in 1978. The term is used adjectivally to describe Unix features and programs that date from that release, and are thus guaranteed to be present and portable in all Unix versions (this was the standard gauge of portability before the POSIX and IEEE 1003 standards). Note that this usage does _not_ derive from the release being the "seventh version of Unix"; research Unix at Bell Labs has traditionally been numbered according to the edition of the associated documentation. Indeed, only the widely-distributed Sixth and Seventh Editions are widely known as V[67]; the OS that might today be known as `V10' is instead known in full as "Tenth Edition Research Unix" or just "Tenth Edition" for short. For this reason, "V7" is often read by cognoscenti as "Seventh Edition". See BSD, USG Unix, Unix. Some old-timers impatient with commercialization and kernel bloat still maintain that V7 was the Last True Unix.
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Computing Dictionary

Version 7 definition

operating system
(V7) The unsupported release of Unix ancestral to all current commercial versions. Brian Kernighan announced the release of V7 in summer 1979, at the Unix User's Group meeting in Toronto.
Before the release of the POSIX/SVID standards, V7's features were often treated as a Unix portability baseline. Some old-timers impatient with commercialisation and kernel bloat still maintain that V7 was the Last True Unix.
See BSD, USG Unix, System V.
[Jargon File]
(1996-05-22)
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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