This guide to UNIX system administration is useful both as an introductory tutorial for those new to the system and as a day-to-day reference for power administrators. Practical and hands-on in approach, it covers every aspect of system administration - from basic topics to UNIX esoterica - and provides explicit instructions for dealing with the six most popular versions of UNIX. Included is a CD-ROM with source code, sample programs, and other tools and utilities helpful to Unix system administration. It is designed for system administrators and users of the UNIX operating system.