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Subject:	RE: running cygwin on multiple operating systems
Date:	Fri, 21 Nov 2003 11:39:38 -0000
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From:	<kevin DOT lawton AT bt DOT com>
To:	<leisner AT rochester DOT rr DOT com>, <cygwin AT cygwin DOT com>
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Can't quite imagine why you'd want Win2K and WinXP both installed, as they're essentially the same thing, but: 
You can have up to four primary partitions on each hard drive, but only one at a time can be 'active' (= bootable). Some of the more sophisticated boot managers allow for partition hiding/making active dependent on which boot option is selected. I use 'Boot Magic' (which comes with Powerquest's 'Partition Magic') and it achieves this fine. 
Though it is often possible to managed to share the same installation of an application between different instances of Windoze, it tends to be unreliable and I wouldn't recommend it. If you treat the installation into each copy of Windoze as completely separate, then you'll gain some resilience: when one installation of Windoze eventually crumbles and dies you'll still have the other one to fall back on complete with its own cygwin. 
An alternative multi-boot scenario can easily be constructed by fitting your machine with several hard drives with one different op system installed on each. Switch between them at boot time by altering the drive boot-order in the BIOS. 
Kevin.   
   
-----Original Message-----
From: Marty Leisner [mailto:leisner AT rochester DOT rr DOT com]
Sent: 20 November 2003 23:32
To: cygwin AT cygwin DOT com
Subject: running cygwin on mutiple operating systems

I'm going to dual boot a system with win xp and win 2k (and of course
linux).

I assume I'll make two smallish partitions to boot from (one each for
xp and 2k on one disk) and one larger partition...they'll all be
ntfs...

What's the best way to have cygwin shared between the two operating
systems?   Do I have to do a complete install into the same place?

When I do this work, can I put two primary partitions one disk?

Marty Leisner
leisner AT rochester DOT rr DOT com



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