fsck_ffs(8) on FreeBSD
The text 0fd6c6450cff, as FreeBSD 5.2.1-RELEASE, FreeBSD 5.2-RELEASE, FreeBSD 5.1-RELEASE, FreeBSD 5.0-RELEASE shipped it.
file system consistency check and interactive repair
Flags it lists
-
-B -
-F -
-b -
-c -
-f -
-m -
-n -
-p -
-y