Difference between revisions of "X Window System"
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Unlike earlier window systems, which were part of an [[operating system]], or interacted though [[subroutine call]]s, X is based on a [[protocol]] which runs over a [[reliable byte stream]]. An X session can be run over any [[data network]] which provides such streams. (Currently [[TCP/IP]] [[internetwork|internets]] are used, but in the past the [[Chaosnet|CHAOS protocol]] was also used.) The streams connect the application to an X [[server]] which has direct access to the [[display]] being used. | Unlike earlier window systems, which were part of an [[operating system]], or interacted though [[subroutine call]]s, X is based on a [[protocol]] which runs over a [[reliable byte stream]]. An X session can be run over any [[data network]] which provides such streams. (Currently [[TCP/IP]] [[internetwork|internets]] are used, but in the past the [[Chaosnet|CHAOS protocol]] was also used.) The streams connect the application to an X [[server]] which has direct access to the [[display]] being used. | ||
| − | X is based on the [[W window system]] (which was used initially for a window system in the [[CLU]] project)), but Bob Scheifler largely re-wrote it to become X. | + | ==History== |
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| + | X is based on the [[W window system]] (which was used initially for a window system in the [[CLU]] project)), but Bob Scheifler largely re-wrote it to become X. CLU was one of the first programming languages to get support for X, in fact even before [[C programming language|C]]. The X10 release of X has many [[subroutine package|libraries]] and [[application]]s written in CLU, but the X11 release retains no traces of the language. | ||
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Latest revision as of 14:37, 31 August 2024
The X Window System (sometimes called X11 or just X) is the now-dominant window system used by applications which wish to perform output to a window (either in the form of text, graphics, or images).
Unlike earlier window systems, which were part of an operating system, or interacted though subroutine calls, X is based on a protocol which runs over a reliable byte stream. An X session can be run over any data network which provides such streams. (Currently TCP/IP internets are used, but in the past the CHAOS protocol was also used.) The streams connect the application to an X server which has direct access to the display being used.
History
X is based on the W window system (which was used initially for a window system in the CLU project)), but Bob Scheifler largely re-wrote it to become X. CLU was one of the first programming languages to get support for X, in fact even before C. The X10 release of X has many libraries and applications written in CLU, but the X11 release retains no traces of the language.
External links
- The X Window System, Robert W. Scheifler, Jim Gettys (ACM Transactions on Graphics 5 (2), April 1986)
- The X Window System, Robert W. Scheifler, Jim Gettys (TR-368,MIT-LCS)
- X version history, prehistory
