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There's 2 choices really I've used.

While mounted run:
  mkisofs -J -R -V $1 -o Image.iso /mnt/cdrom

or unmount it and run the dd line below.  Neither one has any particular
advantages as the mounted CD wont creates a defragged or smaller image
than the original CD.  If you go the dd option below you can pass
different block sizes and make it faster if it's a very large CD but
that's probably not worth it on most modern CDROMs.

Robert





Thus spake james at sumners.ath.cx (james at sumners.ath.cx):

> I am not sure that is possible. An ISO format copy is a bit for bit
> copy of the CD. You could build your own .iso with mkisofs if you are
> unable to unmount the CD. The easiest way to create the .iso, however,
> is to unmount the CD and `dd if=/dev/<cd_device> of=cdcopy.iso`.
> 
> On Wed, Dec 15, 2004 at 09:51:46AM -0500, Cordell, Ron wrote:
> > Hi all,
> > 
> > How can I extract the ISO image from a mounted CDROM to a file?
> > 
> > -ronc
> 
> -- 
> James Sumners
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&gt; 
&gt; Missionaria Protectiva, Text QIV (decto)
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:wq!
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<li><strong><a name="00532" href="msg00532.html">[ale] ISO image from a mounted CDROM</a></strong>
<ul><li><em>From:</em> ron.cordell at sipstorm.com (Cordell, Ron)</li></ul></li>
<li><strong><a name="00535" href="msg00535.html">[ale] ISO image from a mounted CDROM</a></strong>
<ul><li><em>From:</em> james at sumners.ath.cx (james at sumners.ath.cx)</li></ul></li>
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