Last weekend I went and purchased myself a MacBook Pro, best computer purchase of my life and here is why… First off I am a linux guy. A hardcore linux guy in fact. I refuse to run Windows on any of my computer systems. I do run Windows inside of VmWare so I can test

This is a simple command that will change the file extentions of all files in a directory. It is rather simple and all it requires is base, for, do, mv, and echo. All of which any Unix based operating system should have. This also works on OS X. For this example I used bash on