How can we find out if the Linux OS installed is 32-bit or 64-bit?

[Sudhakar Manukonda]

  $ getconf LONG_BIT 
  (this command gives 64 for 64-bit machine and 32 for .......)
   
  Hope this helps
   
  Regards
  Sudhakar
  

unix syzadmin <unixsyzadmin at gmail.com> wrote:
  Hi,

We have a lot of Redhat Linux servers on various hardware.
How can we find out if the Linux OS installed is 32-bit or 64-bit?

Please suggest,
Thanks & Regards,
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