SCCS is an implementation of the POSIX standard Source Code Control System. It is based on the original UNIX SCCS code provided by Sun as part of OpenSolaris and was made portable to other platforms.
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The Unix diff(1) command is now included to grant
uniform behavior and unlimited linelength on all
platforms. The admin(1) program now accepts empty
MR number lists. The Makefile system and
portability include files were enhanced.
