There are many flavors of UNIX operating systems. Linux variants are the most popular but let's not forget that my favorite platform, Mac OS X, is also a full fledged UNIX machine. This means that you can take advantage of myriads of little programs that make up this fine operating system. Though it might seem daunting at first, once you get over the initial hurdle, you will find that manipulating UNIX commands is not so difficult and yields considerable power.
