This two-hour video course provides a comprehensive introduction to the important features of the UNIX system. It is designed for people familiar with computers who need to learn how to use the UNIX system effectively. The course includes a 150-page manual that contains course notes, exercises, solutions, addenda, a bibliography, and an index. In addition, a disk is provided that holds an on-line vi tutorial as well as the set of files and directories used in the video course.