One Command to Check 32-bit or 64-bit Ubuntu you Installed

Last updated: July 3, 2013

3-bit or 64-bit? If you forgot which version you installed, here’s how to check it out!

In command line, just type this:

uname -m

Then you see the output:

  • i686 means 32-bit
  • x86_64 means 64-bit

If you’d like a GUI way, searh for and open details from Unity Dash.


Then you’ll see the result




I'm a freelance blogger who started using Ubuntu in 2007 and wishes to share my experiences and some useful tips with Ubuntu beginners and lovers. Please comment to remind me outdated tutorial! And, notify me if you find any typo/grammar/language mistakes. English is not my native language. Contact me via [email protected] Buy me a coffee: