[CentOS] How to determine 64 vs 32 bit processor

Joseph Spenner joseph85750 at yahoo.com
Wed Apr 10 16:08:51 UTC 2013


On 4/10/2013 9:58 PM, Robert Moskowitz wrote:


> I have been tied up with other work and Holidays.  Now back to some
> server work that is long overdue.  I lost an old server yesterday so it
> is crunch time.
>
> I believe my new platform is suppose to be an x86_64.  The order form
> says 64 bit.
>

If you check /proc/cpuinfo, the 'flags' section, look for "lm".
If that is present, it is 64bit.

http://www.cyberciti.biz/faq/linux-how-to-find-if-processor-is-64-bit-or-not/

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