dump(8) on OpenBSD
The text e4948a9950b8, as OpenBSD 3.2, OpenBSD 3.1 shipped it.
filesystem backup
Flags it lists
-
-0-9 -
-B -
-T -
-W -
-a -
-b -
-c -
-d -
-f -
-h -
-n -
-s -
-u -
-w