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Article View: comp.os.msdos.programmer
Article #1156

Re: Novice question: how to boot from a bat file?

#1156
From: Kenneth Falck
Date: Mon, 31 Aug 1992 18:39
31 lines
1741 bytes
In article <Bttt82.53K@NCoast.ORG> brown@NCoast.ORG (Stan Brown) writes:
>>>My problem is I don't know how to emulate the cntry-al-delete boot that
>>>the user would normally type in to have these new files take effect.
>>
>>Since it seems to be a twice-a-week question, here is a uuencoded program
>>that will do it:
>
>[code deleted]
>
>and, if you're running SMARTDRV or other write-behind disk caches, it
>stands an excellent chance of trashing your hard disk.

Of course you can trash your hard disk if you boot prematurely,
but it has nothing to do with whether you do it by jumping
to FFFF:0000 or pressing Ctrl-Alt-Del or the Reset button.

(Sure some caches re-vector IRQ1 to capture C-A-D but that's
not the point. I can hardly think someone would write a batch
file or program that reboots without asking for a keypress
first, since any programmer should know background-write caches
exists, and as a matter of fact I don't think even straight DOS 
will save modified files instantly.)

>-- 
>Stan Brown, Oak Road Systems                      brown@Ncoast.ORG
>"Self-esteem, n.  An erroneous appraisement."
>"Self-evident, adj.  Evident to one's self and to nobody else."
>                                               --Ambrose Bierce

-- 
kennu@mits.mdata.fi
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Message-ID: <1992Aug31.183957.1391@mits.mdata.fi>
Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!fuug!mits!kennu
References: <1992Aug30.033912.729@u.washington.edu> <adgn1#p.messina@netcom.com> <Bttt82.53K@NCoast.ORG>

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Newsgroups: comp.os.msdos.programmer
Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!fuug!mits!kennu
From: kennu@mits.mdata.fi (Kenneth Falck)
Subject: Re: Novice question: how to boot from a bat file?
Message-ID: <1992Aug31.183957.1391@mits.mdata.fi>
Organization: Microdata Oy, Helsinki, Finland
References: <1992Aug30.033912.729@u.washington.edu> <adgn1#p.messina@netcom.com> <Bttt82.53K@NCoast.ORG>
Date: Mon, 31 Aug 1992 18:39:57 GMT
Lines: 32