Complete Protocol dictionary, glossary and reference
The X Window System Protocol, also known as X Window or X Protocol, is a graphics architecture used as the graphical system on UNIX systems (primarily) and Linux systems. The X Window System is also used, less commonly, on VMS, MVS, and MS-Windows systems. X Window System (X Protocol) provides an inherently client/server-oriented base for displaying windowed graphics. X Window provides a public protocol by which client programs can query and update information on X servers.