Teach Yourself UNIX 4th Edition Author:Kevin Reichard, Eric Foster-Johnson Discusses how to navigate UNIX directories and files with ease, set up permissions, logins, and passwords, work with the X Windows System and the C, Korn, Bourne, and Bash shells, configure your e-mail and Web browsing tools, and customize your system using basic scripting and C programming skills. Softcover. DLC: Operating systems (Computers).