101 useful, customizable, and fun Linux, Mac OS X and UNIX shell scripts that you can use to solve common problems and personalize your computing environment. Includes an interactive calculator, a spell checker, a disk backup utility, a weather tracker, a web logfile analysis tool, and much more. The cookbook style examples are all written in Bourne Shell (sh) syntax.The UNIX shell is the main scripting environment of every Linux, Mac OS X and UNIX system, whether a rescued laptop or a million-dollar mainframe. This cookbook of useful, customizable, and fun scripts gives you the tools to solve common Linux, Mac OS X and UNIX problems and personalize your computing environment. Among the more than 100 scripts included are an interactive calculator, a spell checker, a disk backup utility, a weather tracker, and a web logfile analysis tool. The book also teaches you how to write your own sophisticated shell scripts by explaining the syntax and techniques used to build each example scripts. Examples are written in Bourne Shell (sh) syntax.