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echo: linux
to: HOLGER GRANHOLM
from: TONY LANGDON
date: 2016-12-03 16:58:00
subject: Re: Diskcopy

-=> Holger Granholm wrote to All <=-

 HG> @MSGID: 
 HG> Howdy all *nix users,

 HG> Is there a diskcopy function available on a *nix system??
 HG> Yes, I do still use the old ones I have saved stuff on!

Use dd, you can copy from disk to disk, disk to file or file to disk, or even
file to file. :)

 HG> I was in for one of the great surprises yesterday.

 HG> One of my 3.5" diskettes showed signs of getting tired, so I decided to
 HG> make a diskcopy to get the contents on a fresh media.

If you just want to make a backup:

dd if=/dev/fd0 of=myback.img bs=16384

Or if you have 2 floppy drives and want to copy directly from disk to disk

dd if=/dev/fd0 of=/dev/fd1 bs=16384

See man dd for details.  I've just picked a smallish block size, making it
equal to the number of bytes on a track would be most efficient.


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