[TUHS] Whence the 2.x BSD numbering?
M. Warner Losh
imp at bsdimp.com
Fri Jun 26 12:27:53 AEST 2009
The FreeBSD (similar in the other BSDs) family tree file shows:
Sixth Edition (V6) -----*
Seventh Edition (V7) |
\ / |
\ / |
4.1BSD --------------> 2.8BSD
so if the 2.7.9 is really 2.79, I'd like to know about it.
And the chronology lists:
2BSD mid 1978 [QCU]
75 2BSD tapes shipped
2.7.9BSD ?? [SMS]
2.8BSD 1981-07-xx [KSJ]
2.8.1BSD 1982-01-xx [QCU]
set of performance improvements
[KSJ] Michael J. Karels, Carl F. Smith, and William F. Jolitz.
Changes in the Kernel in 2.9BSD. Second Berkeley Software
Distribution UNIX Version 2.9, July, 1983.
[QCU] Salus, Peter H. A quarter century of UNIX.
[SMS] Steven M. Schultz. 2.11BSD, UNIX for the PDP-11.
Googling for [KSJ] is beyond my humble abilities... The numbers from
[QCU] are about right for 2.7.9 to really be 2.79, eg the 79th tape
that left Berkeley before they switched... But that's wild
speculation based on little more than whimsy and knowing how geeks
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