Welsh, Matt; LDP; 1997. Available on the LDP home page, or directly at http://sunsite.unc.edu/LDP/gs.
How to bring up Linux. Explains a lot of Linux basics. Covers basic system administration.
Wirzenius, Lars; LDP; 1997. Available on the LDP home page, or directly at http://sunsite.unc.edu/LDP/sag.
An excellent first book on how to maintain and administer a Linux system.
Frisch, Aeleen; O'Reilly; 1995; ISBN 0-937175-80-3; 788 pp; $32.95.
See
http://www.ora.com/catalog/esa2/noframes.html.
More in-depth coverage of normal system-administration tasks. Not Linux-specific but contains Linux material.
Hekman, Jessica P. et al.; O'Reilly;
ISBN 1-56592-167-4; 1997; 438 pp. $9.95.
See
http://www.ora.com/catalog/linuxnut/noframes.html.
According to O'Reilly, "The Desktop Reference for Linux". For Linux users this obsoletes their "Unix In a Nutshell" which was SVr4/Solaris-oriented.
Welsh, Matt, & Kaufman, Lar; O'Reilly;
ISBN 1-56592-151-8; 1996; 650pp; $24.95.
See
http://www.ora.com/catalog/runux2/noframes.html.
Everything you need in order to understand, install, and use the Linux operating system. Excellent beginner's book.
Sobell, Mark G.; Addison-Wesley;
ISBN ISBN 0-201-32569-1; 1998; 1015 pp.
Just what the title says -- practical tutorials in basic Unix, shells, editors, mail programs, networking, Web tools, and utilities. Covers some system administration fundamentals. (This appears to be a repackaging of 1997's ``A Practical Guide to Linux'' from the same author, without Caldera OpenLinux Lite included.)
Garfinkel, Simpson, and Spafford, Gene; O'Reilly Associates; ISBN
0-56592-148-8; 1991.
See
http://www.ora.com/catalog/puis/noframes.html.
Ronald P. Miller: "Some overlap with Essential System Admin., but all in all a solid book on security, especially for those aspiring to allow multiple-user, dial-up/net access to their Linux boxes."
Cheswick, William R. & Bellovin, Steven M.; Addison-Wesley;
1994; ISBN 0-201-63357-4; 320pp.