Looking for tomorrow x window system to lecture on the subject, today I specifically clarify some concepts.
1, x-window is also known as x, is c / s model is based graphics system under linux.
2, xwindow three parts: serve, client, x agreements.
3, xfree86 (including xaa acceleration system), xorg, xnest x protocol is server software, commonly used in IBM's commercial Motif, request the server file transfer clients are: IE, MOZILLA, NETSCAPE and so on.
4, x11r6: X Protocol Version 11 of the sixth issue, the current X server software and X applications to follow X11R6.
5, xwindow and win on the graphics system differences: is the win on the graphics system as part of os, and linux can be out of xwindow. This shows that if x graphics system crashes can go back to character interface, and graphics system crashes under win os crash means.
6, xwindow the benefits: is the client and serve for the network is transparent, in other words, and many serve multiple client programs can be placed on the network Renyiyitai machine.
7, generally based on xwindow next two window managers are gnome (free license) and kde (charges), the former library which is based on gtk qt library. They also each contain their own complete set of software, such as the taskbar, Start menu, desktop icons and so on. Other small window managers are: window maker, after step, blackbox, fvwm, fvwm2, etc. are all common good window manager.
8, linux graphical interface hierarchy summary: linux itself -> X server <- [X-protocol chat] -> window manager (Integrated Desktop Environment) -> X applications, window manager is not required of.
9, Xgl - X over OpenGL, OpenGL-based X server, which uses hardware acceleration to achieve real 3D Desktop.
10, Exa is based on the KAA (Kdrive Acceleration Architecture, KDrive accelerating structure) of the simplified acceleration architecture. KDrive Keith Packard is a modular X server implementation, KAA KDrive can get. And before the old XAA (XFree86 Acceleration ArchITecture, XFree86 acceleration architecture) different, Exa has been designed to speed up the XRender, it is small, simple, flexible, and allows X developers to create various special effects.
11, Xgl and Xegl difference: Xegl is independent of the server, but need to run the Xgl X server to start (set the modeline option and processing input are the two most important aspects). They share the same graphics acceleration code, but Xgl the modeline and enter the settings to do the work to another X server, which provides the OpenGL graphics acceleration to determine Xegl test basis.
Read youtobe on a video, is Novell's 3D demo xgl + compiz desktop effects. Under the original linux vista 3d desktop, even more than just cool, so far discovered, I was too ignorant.
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