Backups of Distibution Floppies

[Royal Ontario Museum]

In article <3501 at ddsw1.MCS.COM> karl at ddsw1.UUCP (Karl Denninger) writes:
>In article <752 at mccc.UUCP> pjh at mccc.UUCP (Pete Holsberg) writes:
>>I have Microport V/386 and a friend has SCO Xenix/386, and we were both
>>wondering how to make backups of the distribution floppy disks?  Can you use
>>DISKCOPY or are they *NIX-formatted disks?  If the latter, are they mountable,
>>or are the files tar/cpio archives?  Or ???
>
>This comes up often enough to warrant a post....
>
>Format the destination diskette.
>
>Assuming a 1.2MB floppy:
>	dd if=/dev/rfd096ds15 of=/tmp/disk bs=15k  	(Xenix)
>		or
>	dd if=/dev/rdsk/fd096ds15 of=/tmp/disk bs=15k	(Microport)
>
>This copies the disk to a temporary file.
>
>Then, to make a dup, insert a blank formatted disk, and type:
>	dd of=/dev/rfd096ds15 if=/tmp/disk bs=15k  	(Xenix)
>		or
>	dd of=/dev/rdsk/fd096ds15 if=/tmp/disk bs=15k	(Microport)

There is a Xenix utility named diskcp that is a bit easier to
use--no need to use dd.  Diskcp allows multiple copies of the
source.

I suspect it does the same routine as the above posting--it's
just less verbose.  I would not bother using MS-DOS utilities
either.

Mark T. Dornfeld
Royal Ontario Museum
100 Queens Park
Toronto, Ontario, CANADA
M5S 2C6

mark at utgpu!rom      - or -     romwa at utgpu