10 Minute Guide To Practical UNIX - Version 3.1 10 Minute Guide To Practical Unix is for people who are not hardcore programmers, but who need to work on different Unix systems every day. Presentation is organized around practical tasks that any Unix user faces in his or her daily routine, yet no topics, commands, or "advanced" options are left out. This version adds the ability to search by chapter, command, or keyword, check for updates and a new low price.