Information

Title	How to determine whether you are using the 32bit or 64bit kernel on the IBM AIX operating platform.

URL Name	P32940

Article Number	000137267

Environment	IBM AIX POWER 5.1 IBM AIX POWER 5.2

Question/Problem Description

How to determine whether you are using the 32bit or 64bit kernel on the IBM AIX operating platform.
How to determine if IBM AIX machine is booted in 32-bit or 64-bit mode.

Can I determine if I'm using the 32bit or 64bit kernel on the IBM AIX operating platform?

Steps to Reproduce

Clarifying Information

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To determine how the IBM AIX machine was booted, log in as super-user (root) and run the following IBM AIX command:

bootinfo -K

This will return "32" for an AIX machine running in 32bit mode or "64" for an AIX machine running in 64bit mode.

Workaround

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Last Modified Date	4/18/2019 1:27 PM