On Thu, May 8, 2008 at 9:40 AM, Albert Hopkins <[EMAIL PROTECTED]> wrote:
> On Thu, 2008-05-08 at 09:28 -0700, Mark Knecht wrote:
>> Hi,
>>    This is somewhat off topic. Ignore if it's of no interest.
>>
>>    I've got a DOS program called SpinRite that does low-level testing
>> of hard drives. I have the program in two forms:
>>
>> 1) A bootable CD that just runs the program
>> 2) A stand alone DOS executable that can be run from a CD.
>>
>>    Both of the above run fine under FreeDOS. Problem is I don't know
>> how to load device drivers for USB unless I can edit a config.sys
>> file, create a new ISO and then burn a new CD. So...
>>
>> 1) Is there a way for me to read the bootable ISO image into a
>> directory on my machine
>> 2) Edit the files
>> 3) Make a new ISO image from the directory (mkisofs?)
>>
>>    This seems 'relatively' straight forward. I haven't built it yet
>> but I found isomaster in portage. Is it a good tool? Should I just do
>> this from the command line and if so how? How do the Gentoo packagers
>> put together the install CD images?
>
> Call me old-fashioned but I don't see anything wrong with just copying
> the root of the CD to an empty directory, editing the files and then
> using mkisofs to re-create a new ISO.
>
> -a

Hey. I like old fashioned.

How does that handle the 'bootable' part of the CD? I presume there is
the equivalent of an MBR on a CD so the PC can get started. Is that
visible copying the root of the drive? (I'm at a Windows box as I
write this. Sorry!)

- Mark
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