fsck(8) on OpenBSD
The text a4f937568d16, as OpenBSD 3.2, OpenBSD 3.1, OpenBSD 3.0, OpenBSD 2.9 shipped it.
filesystem consistency check and interactive repair
Flags it lists
-
-T -
-d -
-f -
-l -
-n -
-p -
-t -
-v -
-y