Where did lib64 directories come from

[Steve Siegfried]

Shams wrote:
> 
> Hi,
> 
> I noticed that Fedora has both /usr/lib and /usr/lib64
> 
> Is this only on Fedora or standard across many Linux distros?
> Why is this needed, I mean why not just have /usr/lib?
> 
> Thanks
> Shams
> 

Umm... because you've got a 64-bit CPU that supports both ia32 and
either ia64 or x86-64?

This is pretty standard across most 64-bit capable distributions.