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X.Org Server
X.Org Server logo
Developer(s) X.Org Foundation
Initial release (6.7.0)
Stable release 1.7.4  (January 8, 2010) [+/−]
Preview release git [+/−]
Written in C
Operating system Cross-platform
Available in English
Type X server
License X11 License

X.Org Server (commonly abbreviated to Xorg Server or just Xorg) refers to the X server release packages stewarded by the X.Org Foundation, which is hosted by, and grants public access to the standard X Window releases for the efforts of the free and open source software.

The current stable release is 1.7.4, which is part of X11R7.5. It was released on 8 January, 2010. [1]

The services with which the X.Org Foundation supports X Server include the packaging, shipping and handling of the releases; certification (for a fee); evaluation of improvements to the code; developing the web site, and handling the distribution of monetary donations. The releases are coded, documented, and packaged by global developers.



The modern X.Org Foundation came into being in 2004 when the body that oversaw X standards and published the official reference implementation joined forces with former XFree86 developers.

X11R6.7.0, the first version of the X.Org Server, was forked from XFree86 4.4 RC2. The immediate reason for the fork was a disagreement with the new license for the final release version of XFree86 4.4, but several disagreements among the contributors surfaced prior to the split. Many of the previous XFree86 developers have joined the X.Org Server project.

The X11R6.9.0/X11R7.0.0 release primarily added a modular build system based on the GNU Autotools. 6.9.0 used the old imake build system whereas 7.0.0 uses autotools, both on the same codebase. The modular path (using GNU Autotools) is however the future direction of the X.Org server, and also saw the X11 binaries moving out of their own /usr/X11R6 subdirectory tree and into the global /usr tree on many Unix systems.


The X.Org Server is increasingly popular with the free software Unix-like operating systems, being adopted in most Linux distributions and BSD variants, with the exception of NetBSD (X.Org Server is part of the base system in NetBSD 5.0, a few less common platforms still use XFree86).[2] It is also included in Sun Microsystems's Solaris, and is the server of choice for x86 systems; SPARC-based systems almost exclusively use Sun Microsystems's proprietary Xsun server, as Sun graphics driver support for X.Org is very limited. It is also used in Cygwin/X, Cygwin's implementation of the X server for Microsoft Windows, VcXsrv and in Xming. Mac OS X versions prior to 10.5 ("Leopard") ship with an XFree86-based server, but 10.5's X server is based on the X.Org codebase.[3]

See also


External links

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