makedbm(8) on OpenBSD
The text ac2c3ad7df2b, as OpenBSD 4.4, OpenBSD 4.3, OpenBSD 4.2 shipped it.
create a YP database
Flags it lists
-
-U -
-b -
-d -
-i -
-l -
-m -
-o -
-s -
-u