matroxset(1) on Linux
The text dc7fd38ce33b, as Debian 5.0 (Lenny), Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
switch the output mode of Matrox video cards
Flags it lists
-
-c -
-e -
-f -
-l -
-m -
-o -
-p