xrandr can change display orientation, resolution and various other screen settings in X-Windows.
- To see avalable options set in /etc/X11/xorg.conf
- Execute: xrandr --verbose
- output:
SZ: Pixels Physical Refresh *0 1024 x 768 ( 347mm x 260mm ) *85 1 800 x 600 ( 347mm x 260mm ) 85 Current rotation - normal Current reflection - none Rotations possible - normal Reflections possible - none Setting size to 0, rotation to normal Setting reflection on neither axis
- To change the display resolution to 800x600
- Execute: xrandr -s 800x600
- An alternative way to change settings it to use the number presented by xrandr --verbose
- Example: xrandr -s 0
- For: *0 1024 x 768 ( 347mm x 260mm ) *85
other common display resolutions are
- 640x480
- 800x600
- 1024×768
- 1280×1024
- 1600×1200
- See wikipedia:List_of_common_resolutions