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Re: Two different versions Linux, one computer; possible???]

daemon@ATHENA.MIT.EDU (Kyle Ferrio)
Mon Oct 28 18:30:05 1996

Date: Mon, 28 Oct 1996 17:30:15 -0500 (EST)
From: Kyle Ferrio <kbf@phy.duke.edu>
To: redhat-list@redhat.com
In-Reply-To: <9610281913.AA01170@glacier>
Resent-From: redhat-list@redhat.com
Reply-To: redhat-list@redhat.com


On Mon, 28 Oct 1996, Rick Forrester wrote:

> This is a very simple operation.  If you wanted, for example, to have 3 
> installations, win95, linux (stabile), linux (experimental), you could 
> partition the disk as follows:
> 
> /dev/hda1   DOS >= 32MB
> /dev/hda2   Linux native
> /dev/hda3   Linux native
> /dev/hda4   Linux swap

[ lots of essentially sound reasoning deleted ]

Sure, you can do this.  But if you're really doing a lot of experimenting
with multiple kernels, you might want to check out loadlin.  Loadlin 
takes a slightly different approach from lilo and is very convenient in 
situations like this.  Loadlin is a dos program (ick, but keep reading) 
most often called from config.sys.  You keep compressed kernels of each 
of the linux builds on a (small) bootable DOS partition.  You pass 
loadlin the kernel to use and the /dev/??? to use as root.  All done.

So adding a new kernel is as easy as copying the vmlinuz to the DOS 
partition and editing config.sys to add the new option, both of which can 
be done from Linux.  Reboot and enjoy.  DOS the way it was meant to be -- 
a simple program loader.  No messing with the MBR either.  The loadlin
docs are concise and clear.  I can mail you my config.sys if you're 
interested.

Cheers,
Kyle


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