DD will copy everything. i.e.

dd if=/dev/sda of=/dev/sdb

will copy mbr partition data and all files to sdb.  Of cours sdb needs to be 
equal or greater than /dev/sda

Thanks
Gary

On 07/14/10 at 09:43am, Martin Nix wrote:
> In the format you are using below it will do a raw copy of data - any
> partitions or formatting previously defined on sdc will have been overwritten
> by whatever was in stick.img (I'm assuming this was a raw image in the first
> place)
> 
> Martin
> 
> On 14 July 2010 09:37, Phil Thompson <p...@yarwell.demon.co.uk> wrote:
> 
>     A question arising from my Hackintosh efforts.....
> 
>     If using dd to copy an image to a device - say an img file to a USB stick 
> -
>     does the transfer occur at the lowest level or is the image written to the
>     partition / format structure that exists.
> 
>     My expectation was that if I dd an img file to /dev/sdc (a USB stick) that
>     it would end up with the partitioning, MBR and file structure as defined 
> in
>     the img file ?
> 
>     If that is the case, why do I see tutorials that go on at length about
>     formatting sticks and using the right file system / partition table type,
>     only to then splat an image on them with dd ?
> 
>     For clarity I'm taling about a simple dd command like
> 
>     dd if=stick.img of=/dev/sdc
> 
>     without any qualifying parameters
> 
> 
>     Phil
> 
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