On Fri, Jun 10, 2022 at 10:23 AM Clem Cole wrote: That said, there is Gnu version of same written C++ if IIRC: > https://www.gnu.org/software/cssc/ > ... which stands for Compatibly Stupid Source Control. > > And there's more ... > > In particular, the Heirloom Toolkit at < https://sourceforge.net/projects/heirloom/> contains the Solaris version of SCCS, and SRC source control provides a modern-style front-end over either RCS or SCCS; it is designed for maintaining single files, possibly in the same directory, without entangling their versioning.