I meant that it, Unix, could be compiled for other hardware much easier then other OS prior to Unix. source the link i posted earlier.

edit.
also

Quote:Unix's use of C and its consequent portability to a wide variety of machines was important in the system's success.

(src)

jkl i see you don't have an avatar, may i suggest this image: http://i.imgur.com/DpQ9YJl.png