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How to know you are running a 32-bit or 64-bit Ubuntu?

There is a nice and simple command line program called uname that tells the current bit version

Open Terminal.

uname -m 
in terminal and hit enter.

  • If the response is i686, you have a 32-bit version of Linux.
  • If the response is x86_64, you have a 64-bit version of Linux.

If you want to know more details like Kernel version, Time stamp etc..

uname -a

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