e2fsck(8) on Linux
The text 6773b84e183a, as Debian 9 (Stretch) shipped it.
check a Linux ext2/ext3/ext4 file system
Flags it lists
-
-D -
-F -
-V -
-a -
-c -
-d -
-f -
-k -
-n -
-p -
-r -
-t -
-v -
-y