tune2fs(8) on Linux
The text 0cf7d441e9a2, as Debian 2.0 (Hamm), Debian 1.3 (Bo) shipped it.
adjust tunable filesystem parameters on second extended filesystems
Flags it lists
-
-L -
-M -
-U -
-c -
-e -
-g -
-i -
-l -
-m -
-r -
-s -
-u