Linux Distro Forums

• Ubuntu
• Linux Mint
• CentOS
• openSUSE
• Fedora
• PCLinuxOS
• Mepis
• Mandriva
• Debian
• Damn Small Linux
• Knoppix
• Puppy Linux
• Sabayon
• Slackware
• Arch Linux

Command Line

• Linux Command Line Cheat Sheet - PDF
• vi Cheat Sheet - PDF
• TechTutorials - Command Line
• Command Line And Scripting Tutorial
• Bash Scripting Tutorial

Linux Applications

• FSF Software Directory
• Linux.org Directory
• LinuxSoftware.org - Directory

Linux Alternatives To Windows Applications

• LinuxAlt.com
• OSAlt.com
• Alternativeto.net

Linux Wireless Resources

• Linuxwireless.org
• WLan Resources for Linux
• Alternativeto.net