Netscape and 2.2.5

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I upgraded my kernel from 2.0.35 to 2.2.5, now i seem to be getting a bus error 
everytime i try to load netscape 4.5. Is there a better version or a way to 
get it to load using this kernel?

Emulation

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I was wondering if anyone knew how usuable kernel Solaris emulations is
and how to set it up. I've read all the kernel docs and havent really gotten a 
clear idea of how it all works.