Many of you may have heard of the supposed power of Mac OS X that it gains from Unix-y underpinnings. Like one of those proclamations that make you seem smart, but you’re not sure why, the BSD-like innards of OS X are something that Mac enthusiasts like to cite, but rarely get their hands dirty in. So for those of you who have always wondered how to make your life a little easier or more powerful or impressive with command line voodoo, check out this little beginner’s guide.