[userguide04] SUSE LINUX. User Guide. 9. Copyright © 2004. SUSE.
[rpm] Maximum RPM. Edward C. Bailey. Copyright © 1997. 1-888172-78-9.
[sendmail] sendmail. Bryan Costales. Eric Allman. Neil Rickert. Copyright © 1993. 1-56592-056-2.
[lilo] LILO User's guide. Werner Almesberger. file:///usr/share/doc/lilo/user.dvi.
[nag] LINUX Network Administrator's Guide. Olaf Kirch. Copyright © 1995. 1-56592-087-2.
[garfinkel93] Practical UNIX Security. Simon Garfinkel. Gene Spafford. Copyright © 1993. 0-937175-72-2.
[hunt95] TCP/IP Netwerk Administration. Craig Hunt. Copyright © 1995. 3-930673-02-9.
[oreilly:92] Managing UUCP and Usenet. Tim O'Reilly. Grace Todino. 0-937175-93-5. Copyright © 1992.
[welsh94] Linux Installation and Getting Started. Matt Welsh. 2. Copyright © 1994. 3-930419-03-3.
[vi] Learning the vi Editor. Linda Lamb. Copyright © 1990. 0-937175-67-6.
[welsh:95] Running Linux. Matt Welsh. Lars Kaufman. 1-56592-100-3. Copyright © 1995 O'Reilly.
[cheswick:96] Firewalls and Internet Security. Repelling the Wily Hacker. William R. Cheswick. Steven M. Bellovin. 2. Copyright © 2003 Addison-Wesley Pub Co. 0-201-63466-X.
[chapman:96] Building Internet Firewalls. Brent Chapman. Elisabeth D. Zwicky. Copyright © 1995 O'Reilly and Associates. 1-565-92124-0.
[stoll:98] Cuckoo's Egg: Tracking a Spy Through the Maze of Computer Espionage . Clifford Stoll. Copyright © 2000 Pocket Books. 0-743-41146-3.
[tung:99] Kerberos: A Network Authentication System. Brian Tung. Copyright © 1999 Fischer-TB. Verlag. 0-201-37924-4.