Written by the author of the highly successful Coriolis books, Mac OS 8.5 Black Book (Coriolis, 1-57610-304-8) and The Mac OS 8 Book (Coriolis, 1-56604-688-2). Revision of the highly successful Mac OS 8.6 Book (Coriolis, 1-57610-443-5). In-depth coverage of the newly developed UNIX-based OS, Apple"s newest element to the OS, and what effects it will have on the user interface and operability. Available day and date with the release of the software. Includes troubleshooting tips to help beginners utilize the important new features of this newer, more robust OS.