dosfsck(8) on Linux
The text 856652a49043, as Debian 8 (Jessie) shipped it.
check and repair MS-DOS filesystems
Flags it lists
-
-A -
-V -
-a -
-b -
-d -
-f -
-l -
-n -
-p -
-r -
-t -
-u -
-v -
-w -
-y