Unix disk images and archiving

From: James L. Rice <jrice_at_texoma.net>
Date: Mon Mar 25 19:16:42 2002

Judst reverse the commands:

dd if=/Connor/NS32back of=/dev/od0a

James

Jeff Hellige wrote:
>
> >Jeff, after I emailed you my answer last night, I was thinking that
> >you should be able to just "dd" the images to a files:
> >
> >dd if=/dev/<insert device here> of=/tmp/name-of-image-file.here
> >
> >I create floppy images by:
> >
> >dd if=/dev/rfd0b of=/tmp/3.3_Mot_Boot_Disk.floppyimage
>
> Ok, I got dd sending output from the optical disk to an
> external hard disk, called 'Connor', using the following:
>
> dd if=/dev/od0a of=/Connor/NS32back
>
> It creates a file called NS32back on the 'Connor' volume. I
> did this because the internal drive is small in the '040 Cube. It
> actually did it at a pretty good pace, though I couldn't hear the
> reads from the optical disk so I ejected the optical disk and ran the
> command again and if then asked me to insert it. What would the
> appropriate command be to read the image file and copy back to
> /dev/od0a?
>
> Thanks
> Jeff
> --
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Received on Mon Mar 25 2002 - 19:16:42 GMT

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