What to do when formatting your Mac's hard drive

While the OS X is very stable compared to Windows, it defragments its hard drive on an ongoing basis and it does not get bogged down with additional software in the way that a Windows machine does.

However, there may be occasions, when you want to reformat your Mac's hard drive, so, this shows you how to reformat the hard drive in your Mac and reinstall OS X for that factory fresh finish.

While this might look really technical, it can be extremely useful, especially if you are selling or passing on your Mac to someone else.