The XFree86 Project - http://www.xfree86.org/ The XFree86 Project develops and maintains a freely redistributable implementation of the X Window System that runs on Linux and many other Unix operating systems.
4.10.2 Books
Beginning Linux Programming by Neil Matthew and Richard Stones, Wrox Press, Inc. 1996.
Linux Application Development by Michael K. Johnson and Erik W. Troan, Addison-Wesley Publishing Company, 1998.
Linux in a Nutshell by Jessica Perry Hekman, O'Reilly & Associates, 1997.
Linux Network Administrator's Guide by Olaf Kirch, O'Reilly & Associates. 1995.
A Practical Guide to Linux by Mark G. Sobell, Addison-Wesley Publishing Company, 1997.
Red Hat Linux Unleashed by David Pitts, Sams Publishing, 1998.
Running Linux by Matt Welsh and Laur Kaufinan, O'Reilly & Associates, 1996.