VAX CD-ROMS generally are not ISO. ISO implies the ISO9660 file system, but many VAX CD
ROMS are in native VMS Files-11 format.
Some Windows utilities don't handle these so you need third party software to create
an image of these CD's.
Generally it has a .iso extension but as the content is not ISO9660 you can't mount it
on Windows or Linux.
There a couple of utilities that will convert arbitrary files to image files.
I tend to use CD Burner XP
but you need to click "More download options" and use the "without install
From: cctalk <cctalk-bounces at classiccmp.org> On Behalf Of ben via cctalk
Sent: 04 May 2019 19:39
To: cctalk at classiccmp.org
Subject: Re: Service for converting CD-ROMs into ISO files?
On 5/4/2019 8:15 AM, Paul Koning via cctalk wrote:
thought a CD-ROM (data CD) *is* an ISO image. So I would expect all you
need to do is make an image copy of the disk. On Unix systems that's trivial,
just use the "dd" command to copy /dev/whatever to myfile.iso.
Window users rejoice (until the next verion breaks something).