The UNIX system contains a powerful set of text processing tools that can be used to create data base applications. This course covers the four most important commands: grep, sed, awk, and sort. A separate section is dedicated to each tool that describes its features in detail and shows examples of use. This course is designed for experienced UNIX users and includes a 100 minute video presentation, course manual and the book, UNlX Application Programming, Mastering the Shell (Howard Sams, 1990), written by the course instructor.