0000	idled
0001	rsx11mp
0002	rsts7
0003	rt11
0004	dos11
0101	unixv1
0102	211bsd
0104	unix4
0105	unix5
0106	unix6
0107	unix7
0113	sysiii
0115	sysv
1000	nkrvs
1001	idled
1002	blinky
