I guess this might be interesting on the matter of why new operating systems didn't succeed: http://doc.cat-v.org/bell_labs/utah2000/utah2000.html http://doc.c

I guess this might be interesting on the matter of why new operating systems didn't succeed: http://doc.cat-v.org/bell_labs/utah2000/utah2000.html http://doc.cat-v.org/bell_labs/utah2000/utah2000.html Bottom line is unix is good enough and no one is interested in the effort/risk it'd take to develop something significantly better.