carta

rcs(1) on OpenBSD

The text 12b5576dc31b, as OpenBSD 4.8, OpenBSD 4.7, OpenBSD 4.6, OpenBSD 4.5, OpenBSD 4.4, OpenBSD 4.3, OpenBSD 4.2 shipped it.

RCS file management program

Flags it lists

rcs(1) on OpenBSD now