This article is from the Configuration Management Tools FAQ, by Dave Eaton dwe@arde.com with numerous contributions by others.
Try executing 'man rcsintro'. It comes with rcs. Also try to get
Walter Tichy's paper "RCS - A System for Version Control" which is
part of the RCS distribution.
3.3 It seems SCCS doesn't have a $Log$ like RCS does. Am I correct ?
Users reported that there is NO keyword like $Log$ available on
SCCS. They apparently implemented another way to log changes from
files called 'delta table' (=some kind of database). Check out
commands (on Sun4-os4)
sccs prt [filename] ( = show log )
sccs cdc -r[version] [filename] ( = add command for logging)
Also check out "sccs prs".
 
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