fsck_msdosfs(8) on FreeBSD
The text 39e1ea66b4a0, as FreeBSD 5.5-RELEASE, FreeBSD 5.4-RELEASE, FreeBSD 5.3-RELEASE shipped it.
DOS/Windows (FAT) file system consistency checker
Flags it lists
-
-F -
-f -
-n -
-p -
-y