X Window System

Xfce (pronounced as four individual letters, ) is a free and open-source desktop environment for Linux and other Unix-like operating systems.

graphics controller and network protocol for UNIX-like systems

permissive free software license

GTK+ 3-based desktop environment initially developed for Linux Mint

freedesktop.org (fd.o), formerly X Desktop Group (XDG), is a project to work on interoperability and shared base technology for free-software desktop environments for the X Window System (X11) and Wayland on Linux and other Unix-like operating systems. Although freedesktop.org produces specifications for interoperability, it is not a formal standards body.

industry consortium working for open, unified standards for Unix systems

GNUstep is a free software implementation of the Cocoa (formerly OpenStep) Objective-C frameworks, widget toolkit, and application development tools for Unix-like operating systems and Microsoft Windows. It is part of the GNU Project.

desktop environment

Terminal server for Linux

graphical login manager which starts a session on an X server from the same or another computer

nonprofit organization

nonprofit foundation

thumb|X11-clients use xlib to communicate with the display server.

image file format

joint project to produce a distributed computing environment for educational use

software for Unix type operating systems

driverpack for Radeon GPUs

image file format

computing device

computer network protocol

thumb|X11-clients use XCB to communicate with the display server|X server. thumb|A more complete view of the Linux graphics stack thumb|Programs often use GTK or [[FLTK or Qt for their GUI widgets.]] thumb|A more complete view of the components of an operating system for home computers.

standard for interoperability between X Window System clients of the same X server.

Wikimedia list article

palmtop environment

consortium of Unix vendors

Wikipedia overview article

graphical user interface specification

file format family

The xinit program allows a user to manually start an X display server. The startx script is a front-end for xinit.

The file xorg.conf is a file used for configuring the X.Org Server. While typically located in , its location may vary across operating system distributions..

In the X Window System, the program xwd (X Window dump) captures the content of a screen or of a window and optionally saves it into a file.