Originally Posted by HappyTux
>$ uname -a
Linux HappyTux 2.6.17-ck1 #1 Sun Jun 18 10:56:31 ADT 2006 x86_64 GNU/Linux
At least that will tell you what type of kernel.
Here is what I have for one box:
Linux 2.4.18-3 #1 Thu Apr 18 07:37:53 EDT 2002 i686 unknown
i686 would be pentium class but uncertain if it is 32Bit or 64Bit.