On 17 Jul 2001, Christopher Keller wrote:
> On 17 Jul 2001 15:59:56 -0700, Christopher Keller wrote:
> >
> >
> > http://www.bootdisk.com has a nice windows utilty to make a bootable
> > disk from the downloadable DRDOS images. It doesn't go through the
> > hassle of making the five floppies, it just makes the single bootdisk
> > with autoexec,command.com and the system files. A linux version of this
> > would be most appreciated. If one isn't already out there, I'll see what
> > I can come up with.
>
> Okay, as a followup to my post.
>
> I've used dd to create an image from the DRDOS bootable floppy. I then
> uuencoded this into a shell script which, upon execution, uudecodes and
> the uses dd to write itself to a floppy. Result is a shell script that
> creates a bootable dos disk. Of course, it's subject to those nasty
> copyright things, so I probably shouldn't mail it out. I was thinking of
> sending it to Caldera/DRDOS so they can put it on their download
> section.
>
> I think the best answer is to figure out how to extract the four files
> (autoexec.bat, command.com, ibmbio.com, ibmdos.com) from the disk01.144
> binary image they provide then write that to a floppy. I have absolutley
> no clue as to how to hack apart the binary to find the right stuff. So,
> unless some wily hacker wants to educate me, I'll send this off to the
> DRDOS folks and consider it case closed for now.
>
> --
> Christopher Keller
> Registered Linux User #215241 (http://counter.li.org/)
> "What's the matter Colnel Sanders? Chicken?"
>
Extracting the files is easy. The problem is writing ibmbio.com, and
ibmdos.com to the correct place on the disk, as well as the DOS boot
sector for the floppy. If I remember correctly, the DOS loader still
requires a specific location for one of these files.
The boot loader is easy to get. (Modified from the syslinux docs...)
dd if=<boot image> of=boot.dos bs=512 count=1
Mikkel
--
Do not meddle in the affairs of dragons,
for you are crunchy and taste good with ketchup.
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