Re: duplicating a floppy

[Max Lawson <mlawson@drfmc.ceng.cea.fr>]

	Thank a lot for your help ! 

I've learnt a lot about the dd-command. But it does'nt solve the probleme!
The floppy I want to duplicate has a few sectors destroyed !!-( 

Bye, max



> From: Brandon Mitchell <bhmit1@mail.wm.edu>

> > Hum, Hum ! I'm not sure that's the best place to ask it. 
> > Nevertheless ...
> 
> This list is always off the topic.  But that's ok, it's still educational 
> and linux related.
> 
> > I would like to duplicate a msdos floppy in such a way that 
> > even its mother won't make the difference.. I've tried 
> > "mcopy", but the mother did the difference... 
> 
> 1) # insert original
> 2) dd if=/dev/fd0 of=/tmp/image bs=1024
> 3) # insert target (error free target that is)
> 4) dd of=/dev/fd0 if=/tmp/image bs=1024
> 5) man dd # to see what the heck you did
> 
> For saftey reasons, you probably want the write protect tab set on the 
> original.
> 
> > P.S. what could make the difference between 2 floppies ?
> 
> At a very low level (bit wise), the normal copy program will make some 
> changes that don't show up unless you are looking at the bits.
> 
> HTH,
> Brandon
> 
> 


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