ypserv(8) on OpenBSD
The text 0cbd350f3e48, as OpenBSD 5.3, OpenBSD 5.2, OpenBSD 5.1, OpenBSD 5.0, OpenBSD 4.9, OpenBSD 4.8, OpenBSD 4.7 shipped it.
YP server daemon
Flags it lists
-
-1 -
-a -
-d -
-x