SCCS commands have functional equivalents to RCS commands. The following table provides a very general guide for SCCS users.
admin
rcs
admin -i
ci
cdc
rcs -m
delta
get
co
prs
ident
rlog
rmdel
rcs -o
sact
sccsdiff
rcsdiff
unget
co (with overwrite), or ci with rcs -o
what