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From: wbonner@yoda.eecs.wsu.edu (Wim Bonner)
Newsgroups: comp.os.os2.misc
Subject: Re: DOS dual boot & shutdown
Message-ID: <1991Apr15.193226.1861@serval.net.wsu.edu>
Date: 15 Apr 91 19:32:26 GMT
References: <9656@star.cs.vu.nl>
Sender: news@serval.net.wsu.edu (USENET News System)
Organization: Washington State University
Lines: 36

In article <9656@star.cs.vu.nl> mabdoor@cs.vu.nl (Doorn van MAB) writes:
>I use IBM OS/2 EE 1.3 and DOS 4.01 with the Dual Boot facility.
>
>The OS/2 User's Guide volume 1: Base Operating System says:
>[page 4-6]
>"SHUTTING DOWN PROGRAMS
> WARNING: If you installed the HPFS during system installation (or if
> the LAZY statement in your CONFIG.SYS file is set ON), then use this
> method of ending programs before turning off the work-station or else
> you may lose data."
>
>Normally I select 'Shutdown' from the Desktop Manager before turning off
>my system.
>But when I want to boot DOS, I select 'Close All' from the Desktop Manager
>and type BOOT /DOS in an OS/2 window (or click the Boot DOS icon in the
>Utility group).
>You can't use Shutdown before booting DOS, because shutdown will terminate
>everything, including the Desktop Manager...
>
>My question:
>
>Is it dangerous to boot DOS this way ?
>And if so, how can I boot DOS safely ?

I believe that doing a boot down issues the shutdown command as a system call.
By doing that, It will actually send the close message to all running Apps, 
and then when it has gotten control again, actually cause the reboot.

I know that for some reason on my system, boot /dos doesn't manage to reset my 
system.  It sets it up so that the next time I fire up, it boots dos, but I have
to do a shutdown and reboot the system myself.

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