Understanding PostScript Programming
This set of tutorials teaches you about the PostScript programming language so that you can control PostScript printers directly from your applications.

An Introduction to Motif Application Development
These tutorials help you to learn how to write GUI applications using Motif and the C programming language. They start at the very beginning, and teach you the essentials of Motif programming.

Blitzen Simulator Tutorials
This series contains a set of tutorials that help you to learn about massively parallel programming using the Blitzen simulator. The simulator is a set of C libraries that can run on any computer. The Blitzen architecture is an extension of the Goodyear MPP architecture, and is a good starting point for anyone interested in SIMD processing.