How to install DVD version from iso on hard drive -

[Robert P. J. Day]

Quoting Heinz Diehl <htd at fritha.org>:

> On 07.12.2013, Bob Goodwin - Zuni, Virginia, USA wrote:
>
>> I've installed another hard drive in this computer and would like to be able
>> to install Fedora-20 on it from an exiting F-20-beta iso file already on
>> this same computer. I can't seem to find any instructions for doing
>> this.
>
> You could install F20 from an USB-stick, as a simple alternative.
>
> 1. isohybrid fedora20.iso
> 2. cat fedora20.iso > /dev/sdX (the device name of your stick)
> 3. Set BIOS to boot from your stick
>
> Isohybrid is in the syslinux package.

   just from the above, what is the purpose of running "isohybrid"
in step 1 when you just do a raw copy of the ISO image to the
USB drive in step 2?

rday