ypserv(8) on Linux
The text adda2c104eb3, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
NIS server
Flags it lists
-
--debug -
--port -
--version -
-d -
-p -
-v