Protocols used for communicating data across a packet-switched internet work using the Internet Protocol Suite, also referred to as TCP/IP.
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The X Window System is a software and network protocol. It is used to provide a graphical user interface (GUI) for networked computers. It implements the X display protocol and provides windowing on raster graphics (bitmap) computer displays. It manages all the input device control functions. In its standard distribution. X Windows is a complete, albeit simple, display and human interface solution, but also delivers a standard toolkit and protocol stack for building graphical user interfaces on most Unix-like operating systems and OpenVMS, and has been ported to many other contemporary general purpose operating systems. All modern GUIs, such as GNOME, KDE, and Xfce, developed for Linux and other UNIX-like system use the X Window System as a foundation.
