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Linux

Help and Documentation

Linux Documentation Project
LinuxSecurity.com
Linux Links
Linux Programming

Kernel

Linux Kernel Archives
Linux Cross-Reference - Hyperlinked Linux Kernel Source Code

News

Linux Home Page
Linux Today
Linux Weekly News
Kernel Traffic
Linux Gazette
Linux Journal

Distributions

Slackware
Debian
SuSE
Red Hat
Linuxiso.org
Linux From Scratch

Software

Freshmeat
Linuxberg
LinuxApps
Linux.DaveCentral.com
Linux Games

Vendors

Linux System Labs
Linux Central
CheapBytes

Open Source

Operating Systems

FreeBSD
OpenBSD
NetBSD
BSD Central
KernelTrap

Encryption and Security

OpenSSH
Snort - Open Source IDS
Nessus
Ethereal
dsniff
tcpdump
GnuPG
Sudo
PGP
International PGP
Immunix
PuTTY - A free Windows SSH client

Editors

VIM - Vi IMproved
Emacs CC Mode
XEmacs

Email Servers and Clients

Postfix
Qmail
Sendmail
Procmail
Mutt

Web Servers and Browsers

Apache
Mozilla
w3m
Links
Lynx

News Clients

SLRN

Compression

gzip
bzip2

X Window Managers

WindowMaker
IceWM
Ratpoison
Window Managers for X

X Window Servers and Clients

VNC
XFree86

Shells

KornShell
Zsh
Using csh & tcsh

Miscellaneous

SourceForge
Internet Software Consortium - BIND, DHCP, INN, ...
GNU
dotfiles
CVS
rsync
My Userspace

Freeware

Windows Software

CNET Download.com
ZDNET Downloads
Tucows
DaveCentral
WinSite

Search

Engines

Google
AllTheWeb
Teoma
WiseNut
CompletePlanet
AltaVista
Lycos
HotBot
Ask Jeeves!
Search.com
MetaCrawler
WebCrawler
Mamma
Northern Light Search
Overture
Search Engine Watch

Directories

InfoSpace
Yahoo! People Search
WhoWhere?
Switchboard
Verizon SuperPages

Guides and Portals

DMOZ Open Directory Project
About
Yahoo!
Excite
LookSmart

News and Mailing Lists

Google Groups
Geocrawler

Free Services

Hotmail
HushMail
Yahoo! Mail
Netcraft
Network-Tools.com
Time Service Department

Coding

Perl

www.perl.com
Perldoc.com
Perl Mongers
Perl Monks

Ruby

Ruby

Python

Python

Haskell

Haskell

Scheme

SICP
Scheme
schemers.org

Java

java.sun.com
Java Security

C/C++

GCC
GDB - GNU Debugger
Snippets
Programming in C

General

Dr. Dobb's Journal
FreeCode
CodeBits

Information

News

Slashdot
Root Prompt
Sys Admin
CNET
ZDNet

FAQs and Tutorials

UnixWorld Tutorials
Internet FAQ Consortium
Vi For Smarties

Security

SecurityFocus - Bugtraq...
SANS Institute
Packet Storm
Securing Unix Systems
Insecure.org - Nmap...
Phrack
Porcupine - Wietse Venema, Postfix, TCP Wrapper, TCT...
Openwall Project - John the Ripper...
w00w00
2600
CERT
CIAC
CERIAS
Digital Information Society
Attrition
Alec Muffet - Crack...
@stake, Inc.
Wiretrip

Miscellaneous

HowStuffWorks
RFC Editor
UnixPower.org
USENIX
SAGE
ACM
InterNIC
Counterpane Systems
Cryptography Research
Cryptosoft GmbH
Textfiles.com
My Bookmarks

Hardware

Information and Reference

Tom's Hardware
Ars Technica
Sharky Extreme
AnandTech
Ace's Hardware
CPUReview
HotHardware
Hardware One
Linux on Laptops
LinuxHardware

Pricing

Price Watch
PriceWorld
PriceSCAN

Bookstores

AddALL
Best Book Buys
Bookpool
Fatbrain.com
Amazon.com
Barnes and Noble