[Gllug] Raw Partitions

[Stephen Harker]

Richard Cohen wrote:
> I suspect you've only ever used loopback to mount CD/DVD images...
> using iso9660... which is, of course, an inherently read-only
> filesystem.
> 
> As Ben says, it's perfectly capable of handling read/write filesystems
> - one of the more interesting and useful things you can do with it is,
> when you really need to, download a DOS boot floppy image, mount the
> image, copy some downloaded files (i.e. BIOS upgrade) to it, then dd
> it to a phsyical disk.
> 
> This of course assumes you have a floppy drive.  I don't.  I therefore
> seem to be unable to upgrade my BIOS...

Ah. You can burn a CD and use the floppy image as an EL-Torito boot 
image to make the CD bootable.

mkisofs -b /path/to/floppy.img -o bootable.iso ...

or something like that.

Should boot just like a floppy.

Stephen
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