Understanding the X Window System

The X Window System is a powerful graphical operating environment that supports many applications across a network, and it can be freely distributed. The version of the X Window System discussed in this chapter is X11R6.4. However, Linux and XFree86 are constantly evolving, and a newer version of X may be available on the Net. In fact, at the time of this printing, work is under way to incorporate X11R6.5 into XFree86.

XFree86, the X server commonly used by Linux, is the X11R6.4 standard ported to Intel-based systems. XFree86 supports a wide range of standard PC hardware. The version of XFree86 discussed in this chapter is 4.0.1. Many distributions ship both 4.0.1 and 3.3.6 (at the time of this writing, Debian ...

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