Take your icon game to the next level. Check out Fonticons, from the maker of Font Awesome.
             

fa-linux · Unicode: f17c · Created: v3.2 · Categories: Brand Icons

After you get up and running, you can place Font Awesome icons just about anywhere with the <i> tag:

fa-linux
<i class="fa fa-linux"></i>

Looking for more? Check out the examples.