Although many people are unaware, besides Mac OS X and Windows 7, there is an existing alternative that's both free and highly customizable. One such version is known as Ubuntu, another is Fedora. These countless operating systems are collectively known as Linux- created by a man named Linus twenty years ago. So, in this post we here at The Techtile would like to commemorate his little penguin shaped baby. Here's to the next twenty years.