How to Check if Your Linux System is 32-bit or 64-bit

For some this may be simple, for beginners this can be really helpful.
There are several ways to do this..

Using uname

Open a shell and enter uname -a

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If it displays “x86_64” you have a 64-bit system, if it displays “i686” or “i386” you have a 64-bit system.

You can also run uname -m, this will only show the 32/64 bit information without everything else. arch will do the same also.

System Settings

You can also do it using the “System” menu button

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Go to System Settings -> Details

Image courtesy of howtogeek

Image courtesy of howtogeek

 

Using lscpu

The lscpu shell command will also show you what kind of operation system you have. A 64-bit CPU will be able to run in both 32-bit and 64-bit modes, while a 32-bit CPU will only be able to run in 32-bit mode.

Image courtesy of howtogeek

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