pt. 1. Basics. Background -- Getting started -- Basics : files and directories -- Working with files and directories -- Electronic mail -- The shell -- The C shell and the Korn shell -- pt. 2. Text editing and processing. Text editing with ed -- Advanced text editing -- Introducing text processing -- Advanced text processing -- pt. 3. Using and building tools. Tools -- Shell programming I -- Shell programming II -- awk -- pt. 4. Networking. Communications -- Networking -- File sharing -- pt. 5. Administration. UNIX system processes -- Security -- Basic system administration -- Advanced system administration -- Network administration -- pt. 6. User environment. User interfaces -- Using the UNIX system and DOS together -- Application packages -- pt. 7. The development environment. Developing applications -- pt. 8. Appendixes. How to find out more -- Compatibility packages -- Glossary -- Major contributors to the UNIX system -- Command summaries -- Programming examples.