VCS
+------+
A collection of simple and stripped down implementations of common version
control systems. They're useful for those who either want a simple and clean
implementation of a certain tool, need the most basic functionality or simply
have size restrictions.
Utilities
+-----------+
{ commands } [ flags ]
** SCCS (POSIX.1-2017 compliant)
-> sccs what [ -s ]
** Git (not implemented)
->
** Mercurial (not implemented)
->
** CVS (not implemented)
->