x86 is a 32-bit Processor architecture. x86_64 is the 64-bit Processor architecture. Software (including Linux kernel) designed for a 32-bit processor can run on both a 64-bit as well as a 32-bit processor, however software designed for 64-bit processor can't be executed on a 32-bit processor.
~Gaurav On Sun, Dec 23, 2012 at 4:58 PM, Shraddha Kamat <[email protected]> wrote: > I used x86 - bzImage to boot my machine and 'uname -a' shows this :- > > Linux phx4 3.7.1 #3 SMP Sun Dec 23 16:28:20 IST 2012 x86_64 x86_64 > x86_64 GNU/Linux > > where I see x86_64 arch (and not x86_64) ??? > > What is the difference between arch/x86 and arch/x86_64 ? > > > -- Shraddha > > > _______________________________________________ > Kernelnewbies mailing list > [email protected] > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > -- Gaurav Jain Associate Software Engineer VxVM Escalations Team, SAMG Symantec Software India Pvt. Ltd.
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