X11 - X Server (X-Windows, X Display Server)


The X Server is also known as:

  • X Display server (from DISPLAY)
  • X-Windows server (if the X Server is a Windows application)

and is an important part of the X Windows System.

It's located on your machine (laptop, localhost).

All graphical UNIX/LINUX applications connect to an X-Windows Server to display graphical data on the monitor of the computer when you use the X Windows system.

The X-Windows Server is a program that acts as an interface between graphical UNIX/LINUX applications and the graphics subsystem of the computer.

Microsoft Windows does not come with support for X, but many third-party implementations (X-Windows server) exist such as:

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