Albitz, Paul and Liu, Cricket. DNS and BIND, 4th Ed. O'Reilly & Associates, Inc., 2001. ISBN 1-59600-158-4
Computer Systems Research Group, UC Berkeley. 4.4BSD System Manager's Manual. O'Reilly & Associates, Inc., 1994. ISBN 1-56592-080-5
Costales, Brian, et al. Sendmail, 2nd Ed. O'Reilly & Associates, Inc., 1997. ISBN 1-56592-222-0
Frisch, Æleen. Essential System Administration, 2nd Ed. O'Reilly & Associates, Inc., 1995. ISBN 1-56592-127-5
Hunt, Craig. TCP/IP Network Administration, 2nd Ed. O'Reilly & Associates, Inc., 1997. ISBN 1-56592-322-7
Nemeth, Evi. UNIX System Administration Handbook. 3rd Ed. Prentice Hall, 2000. ISBN 0-13-020601-6
Stern, Hal Managing NFS and NIS O'Reilly & Associates, Inc., 1991. ISBN 0-937175-75-7
Jpman Project, Japan FreeBSD Users Group. FreeBSD System Administrator's Manual (日文译本). Mainichi Communications Inc., 1998. ISBN4-8399-0109-0 P3300E.
Dreyfus, Emmanuel. Cahiers de l'Admin: BSD (in French), Eyrolles, 2003. ISBN 2-212-11244-0