Originally Posted by ashikuzzaman
Linux auzzaman-lnx 2.6.9-78.ELsmp #1 SMP Wed Jul 9 15:39:47 EDT 2008 i686 i686 i386 GNU/Linux
As Xavier told you, that is 32 bit.
Originally Posted by prpednek
The command 'arch -k' also displays the architecture of your machine.
arch is deprecated command since release util-linux 2.13. Use uname -m.
But so far as I know, arch
Originally Posted by kirukan
This will show whether the OS is 32 or 64
That's the answer I really don't like.
That tells you whether /usr/bin/file is a 32 bit or 64 bit executable. Assuming the command works and says 64 bit, you can be pretty sure the Linux kernel is 64 bit. But if the answer is 32 bit, it is still quite possible for the Linux kernel to be 64 bit.
Stick with the direct method (uname -m