cvs(1) on OpenBSD
The text 362e06957c36, as OpenBSD 2.8, OpenBSD 2.7, OpenBSD 2.6, OpenBSD 2.5, OpenBSD 2.4 shipped it.
Concurrent Versions System
Flags it lists
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--help -
--version -
-D -
-H -
-P -
-Q -
-b -
-d -
-e -
-f -
-k -
-l -
-n -
-p -
-q -
-r -
-t -
-v -
-w -
-x -
-z