fsck(8) on Linux
The text 22d5bc654571, as Debian 8 (Jessie) shipped it.
check and repair a Linux filesystem
Flags it lists
-
-A -
-C -
-M -
-N -
-P -
-R -
-T -
-V -
-a -
-l -
-n -
-r -
-s -
-y