how to identify 32 vs 64 bit CPU?

[Tim]

On Thu, 2007-08-09 at 07:58 -0400, Robert P. J. Day wrote:
> what's a simple way to tell if a system has a 32 or a 64 bit CPU? 

Possibly:  cat /proc/cpuinfo

-- 
[tim at bigblack ~]$ uname -ipr
2.6.22.1-41.fc7 i686 i386

Using FC 4, 5, 6 & 7, plus CentOS 5.  Today, it's FC7.

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