i had to use that fuking os in order to play tunes on my latest toy (i.e.: ipod beeyotch). sposed to be unix based but i dont really know wtf the kernal is. i hate the one mouse clicker thingy that mac makes u use. kina tarded. but kina cool too. i just might get me an ibook now. 12 inches and 60 gb of potential porn images. fuk yeah.