rdate(8) on OpenBSD
The text 75ede14bdfc8, as OpenBSD 4.9, OpenBSD 4.8, OpenBSD 4.7, OpenBSD 4.6, OpenBSD 4.5, OpenBSD 4.4, OpenBSD 4.3, OpenBSD 4.2 shipped it.
set the system's date from a remote host
Flags it lists
-
-4 -
-6 -
-a -
-c -
-n -
-p -
-s -
-v