How to know your machine is 32 or 64 bit?

Here is an easy way to find this, in command line type

$ getconf LONG_BIT


getconf [-v specification] system_var

the getconf utility shall write to the standard output the value of the variable specified by the system_var operand.

So it prints the value of ‘LONG_BIT’.

Read linux manual for getconf:



Author: Abhilash

Hey! This is Abhilash - Ruby developer, specialised on web development. Experienced with frameworks such as Rails, Angular, Sinatra, Laravel, NodeJS etc. I am working on Ruby on Rails platform since 2010. This blog is about Ruby, Ruby On Rails and other subjects that I have had experienced with. You can contact me here: LinkedIn:

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