Why can't I ugrade Fedora like Centos?

[John Aldrich]

On Saturday 07 November 2009, Timothy Murphy wrote:
> I upgraded from CentOS-5.3 to CentOS-5.4
> (and earlier from CentOS-5.2 to CentOS-5.3)
> just by running "yum update".
> 
> Why can't I upgrade to Fedora-12 like that?
> Is it just that the CentOS makers are cleverer...?
> 
Actually, that's exactly how I upgraded to F11 from F10. Fedora noticed 
that there was an updated version of Fedora available and asked if I wanted 
to upgrade. I said sure, so it downloaded all the RPMs and upgraded me. 

No more wipe and reload any more!