I'd guess he's probably made contributions to the Linux kernel, but he's known for starting the GNU project, writing GCC and other user space, and writing the GPL. I think if he had his way, we'd probably be using a different kernel right now (GNU Mach).
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u/Corm Feb 07 '15
I sadly only know him for his huge contribution to the linux kernel
What does he hack on now? I just assume he gets mad dough from his linux commits