think that, there are two set of items, one set has hundred of preference to choose but another has only less number of preference(much less) to choose.. but people choose the things from second set …. anyone thing, is it a good choice …. it may be silly things but if u are a person, who can identify these thing then your life with IT industry gonna easy …..
first check out the family members of Linux
you can find out the number of choices you have … and you can get it absolutely free …. but still someone(not someone, most) go behind unwanted thing.