[Discover] The 7 Deadly Linux Commands http://www.junauza.com/2008/11/7-deadly-linux-commands.html (linux sysadmin tutorials security)
 [Discover] learn UNIX in 10 minutes http://freeengineer.org/learnUNIXin10minutes.html (linux tutorial reference unix)
 [Discover] Vim commands every programmer should know http://www.catswhocode.com/blog/web-development/100-vim-commands-every-programmer-should-know-11 (vim reference vi programming)
 [Discover] UNetbootin - Homepage and Downloads http://unetbootin.sourceforge.net/ (windows linux usb virtualization)
 [Discover] Welcome to Linux From Scratch! http://www.linuxfromscratch.org/ (tutorial linux scratch programming)
 [Discover] tuXfiles - the Linux newbie help files, tutorials, and tips http://www.tuxfiles.org/ (linux tutorial reference resources)
 [Discover] Linux-Unix Cheat Sheets - The Ultimate Collection http://www.scottklarr.com/topic/115/linux-unix-cheat-sheets---the-ultimate-collection/ (reference linux cheatsheet sysadmin)
 [Discover] Top 100 Network Security Tools http://sectools.org/ (security network tools hacking)
 [Discover] HowtoForge - Linux Howtos and Tutorials http://howtoforge.org/ (tutorials tutorial linux to)
 [Discover] GnomeFiles - GNOME/GTK+ Software Repository http://www.gnomefiles.org/ (gtk linux software opensource)
 [Discover] Welcome - Ubuntu: Linux for human beings http://www.ubuntu.com/ (opensource ubuntu linux software)
 [Discover] Tips for Linux Explorers http://www.brunolinux.com/ (tutorial tips reference linux)
 [Discover] Linux bash commands - MAN Pages http://www.ss64.com/bash/ (linux bash shell reference)
 [Discover] Linux Online - Free Online Books http://www.linux.org/docs/online_books.html (tutorials programming reference tutorial)
 [Discover] LinuxCommand.org: Learning the shell. http://linuxcommand.org/learning_the_shell.php (tutorial linux tutorials unix)
 [Discover] Famous Awk One-Liners Explained, Part I - good coders code, great reuse http://www.catonmat.net/blog/awk-one-liners-explained-part-one/ (awk tutorial programming shell)
 [Discover] quick tips to make Linux networking easier | 10 Things | TechRepublic.com http://blogs.techrepublic.com.com/10things/?p=400 (linux network tips ubuntu)
 [Discover] Linux Shell Scripting Tutorial - A Beginner's handbook http://freeos.com/guides/lsst/ (tutorial linux shell scripting)
 [Discover] Advanced Bash Shell Scripting Guide - Advanced Bash-Scripting Guide http://www.linuxtopia.org/online_books/advanced_bash_scripting_guide/ (scripting linux programming shell)
 [Discover] O'Reilly's CD bookshelf http://www.unix.com.ua/orelly/ (programming unix book python)
 [Discover] Unix Crontab - setting up cron jobs using crontab http://www.adminschoice.com/docs/crontab.htm (crontab linux unix sysadmin)
 [Discover] dmiessler.com | study | lsof http://dmiessler.com/study/lsof/ (linux reference howto tools)
 [Discover] BeleniX | BeleniX http://www.genunix.org/distributions/belenix_site/ (solaris opensolaris opensource unix)
 [Discover] Things MacOS X http://www.magicpubs.com/mac/macosx.html (osx mac software apple)
 [Discover] Resources for Newbies http://www.freebsd.org/projects/newbies.html (resources tutorials unix os)
 [Discover] The Geek Stuff " 6 Awesome Linux cd command Hacks - Productivity Tip#3 for Geeks http://www.thegeekstuff.com/2008/10/6-awesome-linux-cd-command-hacks-productivity-tip3-for-geeks/ (tutorials unix tips)
 [Discover] The Zero Install system http://zero-install.sourceforge.net/ (opensource installer installation programming)
 [Discover] Linux Command Directory: Index http://www.oreillynet.com/linux/cmd/ (reference linux shell bash)
 [Discover] Unix Commands http://networking.ringofsaturn.com/Unix/UnixQuickReference.php (unix)
 [Discover] GNU Compiler Collection - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/GNU_Compiler_Collection (wikipedia opensource programming reference)
 [Discover] The Beowulf HOWTO http://tldp.org/HOWTO/html_single/Beowulf-HOWTO/ (beowulf computing computers programming)
 [Discover] Free Shell Accounts http://www.red-pill.eu/freeunix.shtml (free shell unix account)
 [Discover] Apache 2 with SSL/TLS: Step-by-Step, Part 3 http://www.securityfocus.com/infocus/1823 (sysadmin cryptography openssl tutorial)
 [Discover] Launchpad Answers https://answers.launchpad.net/ (support forum reference tutorial)
 [Discover] Main Page - CS Support Wiki https://www.cs.virginia.edu/~csadmin/wiki/index.php/Main_Page (network sysadmin unix linux)
 [Discover] CSS: Bash Shell (Unix) Guide - College of Engineering, The University of Iowa http://css.engineering.uiowa.edu/tools/etudes/bash_shell.html (bash unix linux)
 [Discover] Screen User's Manual http://www.delorie.com/gnu/docs/screen/screen_toc.html (tools linux screen howto)
 [Discover] Commonly used Unix commands http://infohost.nmt.edu/tcc/help/unix/unix_cmd.html (commands reference linuxcommands mac)
 [Discover] Modify User Permissions - Webmonkey http://www.webmonkey.com/tutorial/Modify_User_Permissions (unix permissions security tutorial)
 [Discover] Topping top in Solaris 8 with prstat http://developers.sun.com/solaris/articles/prstat.html (solaris tools unix programming)
 [Discover] Kevin Hatfield's Blog " Blog Archive " Why so many filesystems for Linux? What's the difference? http://kevin.hatfieldfamilysite.com/?p=104 (comparison sysadmin reference tech)
 [Discover] Programming Tips Tricks, Best Practices, Coding Standards http://www.onesmartclick.com/tipstricks/tips-tricks.html (programming code unix java)
 [Discover] Linux Network Reference http://blog.lxpages.com/linux_network.html (linux tips sysadmin shell)
 [Discover] Unix Programming Frequently Asked Questions - Table of Contents http://www.erlenstar.demon.co.uk/unix/faq_toc.html (programming unix reference faq)