fsck_msdosfs(8) on FreeBSD
The text 2834df6815b3, as FreeBSD 14.2-RELEASE, FreeBSD 14.1-RELEASE, FreeBSD 14.0-RELEASE, FreeBSD 13.5-RELEASE, FreeBSD 13.4-RELEASE, FreeBSD 13.3-RELEASE shipped it.
DOS/Windows (FAT) file system consistency checker
Flags it lists
-
-C -
-F -
-M -
-f -
-n -
-p -
-y