> As far as I remember Sunos-4 Kernel became AT&T Sys5r4 kernel and > made it into Sunos5 which became Solaris. Nope, Sun got SVR4 dumped on them and then we moved some of the stuff from SunOS over. But a lot, most of it, got dropped. They are entirely different kernels. Don't get me wrong, there is some good stuff in Solaris, but I never loved it. I loved the SunOS kernel.