The second edition of UNIX System Administration Handbook written by Evi Nemeth, Garth Snyder, Scott Seebass, and Trent R. Hein was published in January, 1995 by Prentice Hall's PTR Division. It's 780 pages and includes a CD-ROM; the complete reference is:
This sweeping revision of the world's most comprehensive guide to UNIX system administration is essential for administrators of all levels of experience. As a tutorial, it introduces the topics of system administration in a logical, easy-to-follow sequence and explains not only how to do things, but also why you need to do them. As a reference manual, it provides a clearly organized, one-stop source of answers for practically any administration question. This volume emphasizes six popular vendors' versions of UNIX representing both BSD-style and AT&T SVR4-style UNIX. The six systems specifically supported are:
The CD-ROM contains a wealth of the public domain system administration tools, many of which are discussed specifically in the book.