How to know whether you have a 32 or 64-Bit Linux/Ubuntu

Updated : January/7th 2020
In order to know which architecture your Ubuntu or sld (linux similar distro) is built on, there are two simple ways :

1 – Using the terminal

Open up your terminal and issue the following command :

lscpu

lscpu

Check Ubuntu version 32 or 64 bits

As you can see on the third line above which starts with CPU op-mode(s), our computer CPU supports both 32-bit and 64-bit. If you only see 32-bit then you have a 32-bit system.

Even if you have a 64-bit CPU, remember also to check your Ubuntu architecture whether it is 32 or 64-bit. This is shown in the second line above which starts with architecture. Here you can see that it is x86_64.

If you see : x86, i686 or i386 then your OS is 32-bit otherwise if you found x86_64 , amd64 or x64 then your Ubuntu is 64-bit based.

a – How to find your OS version and release

To see the version , issue the command :
uname -a

To see the release information, run either of the commands :
lsb_release -a
cat /etc/lsb-release

2 – Using the Graphical Interface

Open Settings from the Ubuntu application menu :

In the Settings window, click on the Details tab which is displayed at the bottom of the menu. You will end up in the About section as shown below :

As you can see above, you can tell which architecture your OS is based on.


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amin nahdy

Amin Nahdy, an aspiring software engineer and a computer geek by nature as well as an avid Ubuntu and open source user. He is interested in information technology especially Linux based ecosystem as well as Windows and MacOS. He loves to share and disseminate knowledge to others in a transparent and responsible way.

This Post Has 2 Comments

  1. uname -i print the hardware platform (non-portable)

    uname -m print the machine hardware name

    uname -p print the processor type (non-portable)

    you name it, you got it.

    1. Thanks Donald – these can help too

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