Books On The Web:
Beginning Perl by Simon Cozens
Elements of Abstract and Linear Algebra by Edwin H. Connell
Elementary Linear Algebra by Keith Matthews
God's Debris by Scott Adams
Graph Theory by Reinhard Diestel
Handbook of Applied Cryptography by Menezes, van Oorschot, Vanstone
In the Beginning was the Command Line by Neal Stephenson
Linear Algebra by Jim Hefferon
Meditations On First Philosophy by Rene Descartes
Philip and Alex's Guide to Web Publishing by Philip Greenspun
Practical Common Lisp by Peter Seibel
Practical Foundations of Mathematics by Paul Taylor
The Art of Unix Programming by Eric Steven Raymond
The Common Lisp Cookbook
The Future Does Not Compute by Stephen L. Talbott
The Unix-Haters Handbook
Thinking in C++ by Bruce Eckel
Book Indices:
The Online Books Page at the University of Pennsylvania
The perl.org Online Library
Tech Books For Free .com
Courses On The Web:
UC Berkeley webcast courses course lectures in MP3
U Washington : Practical Aspects of Modern Cryptography Course homepage and lectures in video and MP3
100 Podcasts from the Colleges around the World
University & College Podcasts – Free Educational Podcasts
Operating Systems:
FreeBSD Ran hotmail.com for a while.
FreeDOS Free MS-DOS clone.
MenuetOS 32 and 64 bit OS written in x86 Assembly
OpenBSD O/S with a focus of proactive security.
Plan 9 The idea is to build a time-sharing system out of workstations.
QNX A Real Time O/S.
Slackware Linux Over 10 years old and still going.
Solaris Has a fully preemptable kernel, supports massive SMP.
O/S Related:
OS News.com
OS Manifesto By Peter C. Dibble
Writing Your Own Toy OS (Part 2) (Part 3) By Krishnakumar R.
Stanford Encyclopedia of Philosophy
Perl Monks
Secure UNIX Programming FAQ
UNIX Programming Frequently Asked Questions
Software Development:
the3reakfastclu6.blogspot.com A bunch of people I know posting about software.
bsdtalk Talking about the BSD family of free operating systems (in MP3).
Hacknot collection of essays.
IT-Conversations Archived interviews and talks in MP3.
Joel Spolsky's Essays
Paul Graham's Essays
Perlcast Perl related interviews in MP3.
Robert X. Cringely's pulpit
Technology related writings by Roger McNamee
The Daily WTF
Steve Yegge's Rantings
Writings by Jamie Zawinski
Sys Admin Links:
O'Reilly Network
Sys Admin Talk
UNIX Links:
FreeBSD Diary
Unix Guru Universe
Unix Rosetta Stone to translate commands between different unix systems.