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Hour 20. UNIX Command Line Tour > Terminal: The Window to the Underworld - Pg. 248

248 Chapter 20. UNIX Command Line Tour In the past five or so years, an open source operating system known as Linux (a UNIX-like operating system) has sprung from obscurity to the front page of every IT publication in the world. Three camps have formed: the Mac users, the UNIX/Linux users, and "those Windows people." Mac OS X merges the Macintosh with a powerful UNIX subsystem and brings us, in essence, the ultimate non-Windows platform. In fact, by the end of 2002, Apple will be the largest producer of UNIX-based operating systems on the planet! During this hour, you learn how to access the UNIX system beneath Mac OS X, including such aspects as · Working with files and directories · Managing processes · Common command-line tools