||This article includes a list of references, but its sources remain unclear because it has insufficient inline citations. (November 2009)|
|Developer(s)||Jeremy Huddleston Sequoia, X.Org Foundation, Apple Inc.|
|Stable release||2.7.5 / November 10, 2013|
|Operating system||Mac OS X|
|License||Apple Public Source License
XQuartz (commonly referred to as X11.app) is Apple Inc.'s version of the X server, a component of the X Window System, for Mac OS X. The current version of XQuartz is a DDX[clarification needed] included in the X.Org Server and implements support for hardware-accelerated 2D graphics (in versions prior to 2.1), hardware OpenGL acceleration and integration with Aqua, the Mac OS X graphical user interface (GUI).
X11.app was initially available as a downloadable public beta for Mac OS X v10.2 and later included as a standard package for Mac OS X v10.3, which can be downloaded from Apple's website. In Mac OS X v10.4, X11.app was an optional install included on the install DVD. Mac OS X v10.5, Mac OS X v10.6 and Mac OS X v10.7 installed X11.app by default, but as of OS X Mountain Lion, Apple has dropped dedicated support for X11.app, with users directed to the open source XQuartz project instead.
In Mac OS X v10.4, Apple's X11 implemented X11 protocol release 6.6 (X11R6.6). This implementation includes an XFree86 4.4 based X11 window server, Quartz rootless window manager, libraries, and basic utilities such as xterm. "Rootless" means that X window applications show up on the Quartz desktop, appearing like any other windowed Quartz application (that is, not in a virtual desktop contained within another window). In Mac OS X v10.5, X11 was updated to use X.Org Server (X11R7.2) rather than XFree86.
As of version 2.7.4, X11.app/XQuartz does not expose support for high-resolution Retina displays to X11 apps, which run in pixel-doubled mode on high-resolution displays.
- XDarwin, an implementation of X for Mac OS X that preceded X11.app, and supports versions of Mac OS X before 10.3 unlike X11.app
- MacX, X11 support on Classic Mac OS
- Slivka, Eric (February 17, 2012). "Apple Removes X11 in OS X Mountain Lion, Shifts Support to Open Source XQuartz". MacRumors. Retrieved February 23, 2012.
- Apple Developer - Open Source - Tools - X11; retrieved September 22, 2006.
- Griffiths, Rob (October 31, 2007). "Inside Leopard: Terminal, X11, and Disk Utility". Macworld. Retrieved October 31, 2007.
- Official website
- Apple Download Website - X11 for Mac OS X 10.3
- X11 packages for Mac OS X 10.4 (packages so you can install X11 without the DVD)
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