cksum(1) on OpenBSD
The text 190940e0500f, as OpenBSD 5.3, OpenBSD 5.2, OpenBSD 5.1, OpenBSD 5.0, OpenBSD 4.9 shipped it.
display file checksums and block counts
Flags it lists
-
-a -
-b -
-p -
-q -
-r -
-s -
-t -
-x