This title is updated and enhanced to cover version 10.2 (Jaguar), including enhanced information on using OS X's powerful Unix features. It offers scores of undocumented tips and secrets on installation; taking advantage of hot new features; setting up OS X on a network; running older applications in emulation mode; and using Sherlock 3, AirPort, iChat, iCal, Address Book, Apple Mail, and QuickTime 6. It includes expanded and enhanced troubleshooting tips and covers exciting new interface changes and tricks for multitasking and customizing a system.