Summary

X and X11 are basically interchangeable references to the client/server windowing system developed by MIT in the 80’s. Xorg is the current implementation of this used on most linux distros today (though Ubuntu is working on migrating to a different system called Wayland).

Configuring GPU Graphics card to use with XOrg

For the higher resoltion monitors, e.g. like 4k monitors, it might be required to configurations to use graphics card and it right drivers to get the monitor to display right resolutions.

/etc/X11/xorg.conf.d/20-radeon.conf

Section "Device"
    Identifier "Radeon"
    Driver "radeon" # intel, radeon or nouveau or nvidia.
EndSection

An Example XOrg.conf

Dual Monitor configurations

Example for setting up

Starting XServer GUI Session from Virtual Terminal

Ctrl + Alt + F2 … -> Virtual Terminal From here

startx # will start the GUI session