On Thu, 2003-10-16 at 10:08, Felix Miata wrote:
> Wolfgang Bornath wrote:
> 
> > Felix Miata schrieb am Thu, 16 Oct 2003 12:17:57 -0400:
>  
> > > Run Windows and Linux from same boot partition = Dualboot
> 
> > > Run Windows and Linux different partitions on the same PC = Multiboot
>  
> > Huh? I thought the difference between dualboot and multiboot was the
> > number of systems? Dualboot= 2 different systems, multiboot = more than
> > 2 different systems.
> 
> Yes, dual does mean 2 - 2 exactly. But, multi means more than 1. So, the
> two terms can easily be confused when the actual count is two. The
> difference is multiboot uses some type of boot manager that is capable
> of switching among two *or more*, while dualboot is crude, normally
> incapable of more than two.
> 
> AFAIK, IBM first made the distinction back before Torvalds' kernel was
> first used for GPL operating systems, sometime around 1987 I think,
> certainly by 1990.
>  
> > How can you run Win and Linux from the same boot partition?
> 
> AFAIK, that's what win4lin is for. I've never trusted doze to share
> space with any other OS, and don't know how it works.
> 
> What you can do is run doze (DOS 7+) and DOS (pre-v7) from the same FAT
> partition, or DOS and older OS/2 versions from the same FAT partition.
> 
> > I have several systems on my pc and each system is on it's own
> > partition(s). All are started by LILO in MBR. What kind of "boot" is
> > that, a dualboot or a multiboot? And if that is what you call
> > multiboot, how does dualboot work?
> 
> Dual means exactly two. You're using multiboot if you see a startup
> menu, such as LILO, which offers more than one partition to choose to
> boot from.
> 
> For DOS/doze or DOS/OS2 dualboot, you use an active system switcher
> utility to switch active kernel and startup files just prior to using
> the other system to reboot from. Dunno how win4lin works, but prolly
> something functionally similar.

Not really.  It actually works a lot like UML where there is a
translation layer between Linux and M$ and it puts the M$ OS in it's own
little sandbox, launching windows as if it where an application rather
than an OS.  It also has to handle things like RW requests to the HDD
Ram shareing.  Access to peripherals etc.  I can run it either in a
window just like an application or I can run it full screen on a
seperate TTY just like with gdm.  Neat thing is I can also treat M$ like
another wm and launch it instead of KDE.  

james



>  
> > I've been running Linux now for several years but never heard that
> > distinction. But I'm always happy to learn.
> 
> Find an ancient OS/2 installation manual to read. See also URL below.


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