Considering a career as sysadmin? Perhaps this video can both make you laugh and gloat on the perks of the trade.
If you are still doubting about Linux skills, perhaps this line of code can convince you otherwise.
Fighting for your rights can be a real struggle, like the one I went through to by not accepting the micro$oft windows EULA on my newly bought Asus laptop.
Open Source Living is a great reference website of open source software divided by any category, from web development to entertainment.
Step up your game on Linux, Vim, Google, Firefox and Thunderbird with these very useful cheat sheets of shortcuts, locations and tips/tricks.