By the same author:

• A beginners guide to UNIX.
• Some small X/UNIX programs I've written.
• My home page contains numerous other bits and pieces.
• A Linux developerWorks article: Introducing the Z Shell.
• A Java developerWorks article: The Java 2 User Interface.

Other pages:

• The comp.windows.x.apps FAQ.
• List of X and OSF/Motif Sites.
• The X Window System (The Open Group).
• IBM's developerWorks Linux zone.
• Themes at Freshmeat: setups for various window managers (transferred from themes.org).
• motifdeveloper.com, for Motif programmers.