Determine whether an AIX machine 32-bit or 64

October 2016


What's the command used to deternime if an AIX machine is 32 or 64 bits.


  • To determine if the system is 32/64-bit:
  • uname-a
  • To get info on your CPU
  • cat / proc / cpuinfo
  • Check the manufacturer's website for additional info.

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