[WBEL-users] Creating ISO images from CDs

[Graham Purcocks]

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blocking factor I suspect.

Alfred von Campe wrote:
>> You can use dd to make a copy of your ISO images off of the CD's.
>>
>> dd if=/dev/cdrom of=image.iso
>>
>> When you are done, verify the md5sum against the checksums posted on the
>> whitebox site to make sure you got a good copy.
> 
> 
> I used the dd command to create new ISO images (and I also found the ISO 
> images sitting on a co-worker's computer).  But their size was slightly 
> larger than the original ISOs, so of course the MD5 sums didn't match:
> 
> -rw-r--r--  1 alfred  staff  657719296  4 Nov 17:39 
> liberation-respin1-binary-i386-1.iso
> -rw-r--r--  1 alfred  staff  662110208  4 Nov 17:58 
> liberation-respin1-binary-i386-2.iso
> -rw-r--r--  1 alfred  staff  498499584  4 Nov 18:11 
> liberation-respin1-binary-i386-3.iso
> -rw-r--r--  1 alfred  staff  658026496  4 Nov 14:31 wbel3-1.iso
> -rw-r--r--  1 alfred  staff  662417408  4 Nov 14:33 wbel3-2.iso
> -rw-r--r--  1 alfred  staff  498806784  4 Nov 14:35 wbel3-3.iso
> 
> However, I copied all these ISO images to my Mac, mounted the images, 
> and then did a "diff -r", and there was no difference found on any of 
> the three disks.  Can anyone explain how this is possible?
> 
> Alfred
> 
> 
> _______________________________________________
> Whitebox-users mailing list
> Whitebox-users@beau.org
> http://beau.org/mailman/listinfo/whitebox-users

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