ypserv(8) on OpenBSD
The text 904a24a80f9e, as OpenBSD 4.0, OpenBSD 3.9, OpenBSD 3.8, OpenBSD 3.7, OpenBSD 3.6, OpenBSD 3.5, OpenBSD 3.4 shipped it.
YP server daemon
Flags it lists
-
-1 -
-a -
-d -
-x