ntpd(8) on OpenBSD
The text b94cdd752b09, as OpenBSD 4.9, OpenBSD 4.8, OpenBSD 4.7, OpenBSD 4.6, OpenBSD 4.5 shipped it.
Network Time Protocol daemon
Flags it lists
-
-S -
-d -
-f -
-n -
-s -
-v