Mount ISO Image

Bart Silverstrim bsilver at
Wed Feb 27 19:45:40 UTC 2008

Rashkae wrote:
> Bart Silverstrim wrote:
>> Does anyone know one way or the other if you can acually use loop to 
>> mount an ISO image and write to it?  I thought that only worked if you 
>> were mastering an image to burn, not one that's turned into an ISO image 
>> yet..?
> Not an ISO9660 Filesystem, the CD default.  The filesystem was simply 
> designed for a Write Once media, and was optimized under the assumption 
> there would be no random writes.
> However, there is no rule that a CD must be ISO9660..
> You can format a CD ISO udf (see udftools), which has random write 
> capability.
> And if Windows/MAC compatibility is not an issue, you can put whatever 
> filesystem on an ISO you want, including creating a ext3 image file that 
>   will later be burned to a disc.

Ah, okay.  Unfortunately the original .iso I'm working with was imaged 
off a customized CD that we needed to alter :-)  It was a bootable image 
of a preconfigured Linux system.

But this may be handy for other things down the road.

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