HOW TO KNOW YOU ARE RUNNING A 32-BIT OR 64-BIT UBUNTU?

f you have forgot what bit version of Ubuntu you are running.

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


Open Terminal.

Type 

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..

Try  

uname -a

i found this add on

http://dailytechnoapps.blogspot.in/2012/04/how-to-know-you-are-running-32-bit-or.html