fsck_4.2bsd(8) on FreeBSD
The text 80babc249e6f, as FreeBSD 7.3-RELEASE shipped it.
file system consistency check and interactive repair
Flags it lists
-
-B -
-C -
-D -
-F -
-b -
-c -
-f -
-m -
-n -
-p -
-y