Live CD without CD?

[Timothy Murphy]

Kevin Kofler wrote:

> stan wrote:
>> title Fedora 7 install
>> root (hd0,0)
>> kernel /vmlinuz-f7-install askmethod
>> initrd /initrd-f7-install.img
> 
> That's for the installer, not the Live CD.

So is it actually possible to boot from the hard disk,
using the Live CD ISO file?