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From: gwyn@smoke.BRL.MIL (Doug Gwyn)
Newsgroups: comp.unix.questions
Subject: Re: RCS vs. SCCS
Message-ID: <12396@smoke.BRL.MIL>
Date: 21 Mar 90 23:51:15 GMT
References: <1990Mar15.204111.4923@csmil.umich.edu> <2265@tellab5.tellabs.com>
Reply-To: gwyn@brl.arpa (Doug Gwyn)
Organization: Ballistic Research Lab (BRL), APG, MD.
Lines: 8

In article <2265@tellab5.tellabs.com> segel@tellab5.UUCP (Mike Segel) writes:
>   SCCS uses forward deltas. This means that when you "check in"
>   a piece of code, the original is stored, and the later copies
>   are really deltas based on the original.

This is another "urban myth".  In fact SCCS does stores deltas in such
a fashion that any revision can be extracted from the archive in a
single sequential pass.