Re: Booting Linux and DOS on a boot cd with GRUB

[adrian15]

Weinberg, Jon wrote:
> Good morning,
>
> I currently have an iso of Helix (uses knoppix) and I'm trying to modify 
> the grub menu to add an option for booting to a DOS environment.  I have 
> all the DOS boot files in the iso however whenever I boot the cd, grub 
> returns an "Error 15," file not found.  Unfortunately it doesn't specify 
> which file(s).  Here's the only modification I've made to grub, and it's 
> in the menu.lst file:
>
> I added:
>
> title  Asset Delete & PDWipe
> root   (cd)/boot/pdwipe/
> kernel (cd)/boot/pdwipe/COMMAND.COM
> chainloader  (cd)/boot/pdwipe/MSDOS.SYS
> chainloader  (cd)/boot/pdwipe/IO.SYS
>
> I'm pretty sure this is wrong, but I've not found a single resource that 
> explains how to do exactly what I'm doing.  I've also attached the 
> menu.lst file as a whole if that helps.  I greatly appreciate anyone's 
> help with this.

Unless someone has another trick to boot DOS like this the most similar 
thing to what you want to is to get a DOS image disk with the programs 
you want to.

Get memdisk as a kernel and put your floppy as a initrd.

title my floppy img
kernel (cd)/boot/memdisk
initrd (cd)/boot/myfloppy.img
boot

You can get memdisk image inside the super grub disk cds if you want to.

adrian15

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