How to check ubuntu a 32 bit or 64 bit?

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Sometime you may need to know whether you are running a 32 bit or 64 bit Operating System to choose which version of software to download.

There are prominent 2 ways to find out

uname -a

if it is a 32bit Ubuntu, the output looks similar to below. Highlighted i686 orĀ i386 identifies OS is 32bit

Linux UbuntuBox 3.19.0-59-generic #66~14.04.1-Ubuntu SMP Fri May 13 17:27:10 UTC 2016 i686 i686 i386 GNU/Linux

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