Interesting People mailing list archives

IP: Re: Be-ing in a Microsoft-dominated world


From: David Farber <dave () farber net>
Date: Wed, 29 Aug 2001 09:44:12 +1000



From: "Brian David Hungerford" <bhungerf () umich edu>
To: "David Farber \(by way of Bernard A. Galler\)" <dave () farber net>

The boot license doesn't actually say that you can't install a second OS.

What is says is:

1. You can't deliver a preinstalled machine in which Microsoft's code
bootstraps someone else's OS.  It is technical possible to do this with
NT/2000/XP/etc., because the NT bootloader is specifically designed to
respect the preexistence of another OS and incorporate that into the boot
sequence; any MCSE knows this.  It's how NT systems allow you to preserve
your previous boot option when you upgrade from DOS, OS/2, or Windows 9x/ME.
However ...

2. OEM's must use Microsoft's preinstallation tools to deploy the OS on the
machine.  Since those tools (usually) start by blasting away the contents of
the disk and laying down Windows in a fresh partition, any preexisting OS
would be destroyed in the process.

Hence the trap: deploy the other OS first, and the OEM tools wipe it away;
deploy it after Windows, and you've used Microsoft's boot code to launch a
different OS.

It is trivially easy for end users and VAR's to set up dual-boot systems.
But - as the article points out - this would require some interest on the
part of customers for post-purchase installation, and there is none.



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