hdparm(8) on Linux
The text b9cdc524ca13, as Debian 1.1 (Buzz) shipped it.
get/set hard disk parameters
Flags it lists
-
-A -
-K -
-P -
-S -
-W -
-X -
-Z -
-a -
-c -
-f -
-g -
-h -
-i -
-k -
-m -
-q -
-r -
-t -
-u -
-v