Scripting is a way to utilize and adjust the power of any Unix system, and this is an important skill for any Unix users, including system administrators and professional OS X developers. This presents a variety of recipes and tricks for all levels of shell programmers so that anyone can become proficient users of the most common Unix shell - the bash shell - and cygwin or other popular Unix emulation packages. Packed full of useful scripts, along with examples that explain how to make a better script, this new cookbook gives professionals and power users all they need to automate routine tasks and enable them to truly manage their systems - rather than having their systems manage them.