Re:A bit of XENIX history (2014)
by Taniwha on Wednesday April 07, 2021 @02:12PM
(#26728673)
s.* files were how SCCS worked, the filename limits were also how Unix V7 worked - most people understood this at the time and used small names
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I would guess there was a wave of folks that started using the extra room when 4BSD was released, and forgetting their peers on Xenix, Unix V7, etc. I remember some popular software (rrn or trn maybe?) had a file called environment.sh in it that got truncated with SCCS on some unix limited to 14 chars.