I am no expert on this so someone may correct me here, but my understanding is 
that Lilo simply writes the cylinder number/sector where the boot image of 
each operating system resides into the MBR.

So the easiest way to boot say Redhat, is to mount the RedHat boot partition 
somewhere in Mandrake for example /mnt/redhat and then write your lilo.conf 
file stanza using /mnt/redhat as the location to boot from.
When you run lilo it will calculate which sector /mnt/redhat/vmlinuz is in and 
write that into the MBR
(Naturally you do not need to mount the RedHat partition next time you run 
Mandrake)

I have only done it this way once but it seemed to work.

derek

On Tuesday 17 Jun 2003 10:27 pm, Johan Scheepers wrote:
> Hi,
> I have 3 OS on 1 drive     /dev/hde
> 1 = Dos                 /dev/hde1
> 2 = Redhat 9.0        /dev/hde5
> 3 = Mandrake 9.1    /dev/hde7
>        swap = /dev/hde6
> Why     /dev/hde   and not hda - I use ultra dma ide card
>
> Installed - dos -then -redhat- then -mandrake
>
> Usually Mandrake pickup everything nicely like what is on hde and hdg and
> config LILO without problem BUT I have not previously installed a 3rd OS on
> same drive. I know how with 2 OS on first and 2 OS on second drive. I am
> sure it is possible because I understand that LILO can handle up to 16 OS's
> and 2 drives.
>
> Mandrake did config redhat on hde5 but with mandrake image and init - If
> redhat is picked on GUI it can not complete the boot.
>
> I do not seem to be able to find info on my sort of setup.
> There is a lot NT/linux - windows/linux.
> Kindly please I need the part to insert in LILO to boot redhat from GUI
> boot startup.
> Redhat works fine if I use the bootdisk I made with installation. It so
> slow.
>
> All this is experimenting and on a spare drive so if I have to reinstall
> everything OK fine - I have the time and thats how I learn.
> Thanks
> Johan
> .
> May this be a good day for learning

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