Think your Mac is powerful now? This practical guide shows you how to get much more from your system by tapping into Unix the robust operating system concealed beneath OS X's beautiful user interface OS X puts more than a thousand Unix commands at your fingertips-for finding & managing files remotely accessing your Mac from other computers & using freely downloadable open source applications If you're an experienced Mac user this updated edition teaches you all the basic commands you need to get started with Unix You'll soon learn how to gain real control over your system Get your Mac to do exactly what you want when you want Make changes to your Mac's filesystem & directories Use Unix's find locate & grep commands to locate files containing specific information Create unique super commands to perform tasks that you specify Run multiple Unix programs & processes at the same time Access remote servers & interact with remote filesystems Install the X Window system & learn the best X11 applications Take advantage of comm&-line features that let you shorten repetitive tasks