除了X-windows可以設定外, 也可以利用 xorg.conf 設定
Section "Monitor"
Identifier "Monitor VGA1"
Option "LeftOf" "Monitor DVI1"
EndSection
Section "Monitor"
Identifier "Monitor DVI1"
EndSection
Section "Monitor"
Identifier "Monitor LVDS1"
Option "Ignore" "true"
EndSection
Section "Device"
.
.
.
Option "Monitor-VGA1" "Monitor VGA"
Option "Monitor-DVI1" "Monitor DVI1"
Option "Monitor-LVDS1" "Monitor LVDS1"
EndSection