xrandr
XWin Screen Utility
Description
XWin screen config and mgmt tool
Display Screen Deets
xrandr
Output looks like:
Screen 0: minimum 320 x 200, current 4920 x 1920, maximum 16384 x 16384
DP-1 connected primary 1080x1920+3840+0 right (normal left inverted right x axis y axis) 698mm x 393mm
1920x1080 60.00*+ 180.00 143.99 120.00 119.88 119.98 50.00 59.94 60.00
1680x1050 59.95 60.00
1400x1050 60.00
1600x900 60.00
1280x1024 75.02 60.02 60.00
...
320x200 60.00
320x180 60.00
320x175 60.00
HDMI-1 connected 1920x1080+1920+747 (normal left inverted right x axis y axis) 698mm x 393mm
1920x1080 60.00*+ 180.00 143.99 120.00 119.88 119.98 50.00 59.94 60.00
3200x1800 60.00
2880x1620 60.00
2560x1600 60.00
2560x1440 60.00
2048x1536 60.00
...
320x180 60.00
320x175 60.00
DP-2 disconnected (normal left inverted right x axis y axis)
HDMI-2 connected 1920x1080+0+747 (normal left inverted right x axis y axis) 698mm x 393mm
1920x1080 60.00*+ 180.00 143.99 120.00 119.88 119.98 50.00 59.94 60.00
:0 - first X server
:0.0 - first screen (usually primary) connected to X server
:0.1 - second screen (HDMI-1)
:0.1 - third screen (DPI-1)