In this updated edition, authors Deborah and Eric Ray use crystal-clear instructions and friendly prose to introduce you to all of todays Unix essentials. You'll find the information you need to get started with the operating system and learn the most common Unix commands and concepts so that Unix can do the hard work for you. After mastering the basics of Unix, you'll move on to how to use directories and files, work with a shell, and create and edit files. You'll then learn how to manipulate files, configure a Unix environment, and runand even writescripts. Throughout the bookfrom logging in to being rootthe authors offer essential coverage of Unix.