December 2005
Beginner
974 pages
31h 50m
English
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X Concepts
X is based on a client/server model in which the X server is a program that runs on your system and handles all access to the graphics hardware. An X client is an applications program that communicates with the server, sending it requests, such as "draw a line" or "pay attention to keyboard input." The X server takes care of servicing these requests by drawing a line on the display or sending user input (via the keyboard, mouse, or whatever) to the client application. Examples of X clients are the now-famous image manipulation program GIMP and the many programs coming out of the aforementioned desktop environments KDE and GNOME—for example, the KDE email program KMail.
It is important to note that X is a network-oriented graphics system. That is, X clients can run either locally (on the same system that the server is running) or remotely (on a system somewhere on a TCP/IP network). The X server listens to both local and remote network sockets for requests from clients. This feature is obviously quite powerful. If you have a connection to a TCP/IP network, you can log in to another system over the network and run an X application there, directing it to display on your local X server.
Further advantages of X are security (if the user so desires), modular separation of functions, and support for many different architectures. All this makes the X Window System technically superior by far to all other window systems.
The X Window System makes a distinction between application ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.