Installing boot loader in Master Boot Record on a Running System

[Fred Grant]

David White wrote:

> James Wilkinson wrote:
>
>> David White wrote:
>>
>>
>>> I couldn't... find any combo of commands that would boot to MsDos
>>> ...can't determine a method to make 1st primary partition active.
>>> But it dual boots to FC2 & WinDoze 2000
>>>
>>>
> Rodrigo, Scott, & James,
>
> A big "Tip of the Hat" for all your input on finalizing my grub.conf
>
> Grub.conf now works for pure MsDos.
>
> I have one hard drive & dos is in the first primary partition. (I use 
> it to restore drive_image backups etc.)
>
> AFAIK there is no pure way to boot directly to dos when win 2000 is 
> also installed. (2nd primary hard drive)
>
> FWIW here is what I did.
>
> Downloaded a dos program bootpart v2.5 and made a copy of the dos boot 
> sector (512 bytes)
> ...named the file dosboot.bin
> Copied dosboot.bin to C:\ on the 1st primary partition.
> Booted to a dos floppy & reloaded the system files - A:\sys C:
> Rebooted to GRUB
>
> I can now boot to FC2, Win2000, & MsDos
>
> grub.conf (dos portion)
>
> # Loading MsDos
>
> title MsDos v6.22
> rootnoverify (hd0,0)
> chainloader /dosboot.bin
>
> This is a great newsgroup...3rd week using Linux and the threads have
> helped me to resolve issues and redirect my thinking.
>
> Thanks everyone,
>
> Dave White
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GRUB provides "hide" and "unhide" commands to enable booting msdos or 
windows when both are installed on a system. Google should provide 
numerous examples. I think this would provide a simpler solution.