ntpd(8) on FreeBSD
The text c31f14864edd, as FreeBSD 6.1-RELEASE, FreeBSD 6.0-RELEASE shipped it.
Network Time Protocol (NTP) daemon
Flags it lists
-
-A -
-D -
-L -
-N -
-P -
-V -
-a -
-b -
-c -
-d -
-f -
-g -
-k -
-l -
-m -
-n -
-p -
-q -
-r -
-s -
-t -
-v -
-x