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From: ndp@aluxz.UUCP (N. D. Parikh)
Newsgroups: comp.sys.ibm.pc
Subject: Re: A Lethal Command
Message-ID: <853@aluxz.UUCP>
Date: Mon, 1-Jun-87 12:30:35 EDT
Article-I.D.: aluxz.853
Posted: Mon Jun  1 12:30:35 1987
Date-Received: Wed, 3-Jun-87 04:51:11 EDT
References: <3163@well.UUCP>
Reply-To: ndp@aluxz.UUCP (52272-parikh, n d)
Organization: AT&T Bell Laboratories, Murray Hill, NJ
Lines: 26



In article <3163@well.UUCP> nortond@well.UUCP (Daniel A. Norton) writes:
>
>     I have recently discovered, however, that all of my previous work
>was entirely unnecessary.  An MS-DOS system can be brought to a grinding
>halt with a single command:
>
>		echo >"="
>
>Yes, that's all that it takes.  The system barely has time to echo back
>the new line sequence before everything is frozen.  One time, the system
>did manage to display "File creation error", but that was it.  This
>method is so effective that even CTRL-ALT-DEL is ignored.
> (Deleted Text).

I tried this on my 6300 and first time I made a typing mistake (booo!).
I found that it still worked. (i.e. 'dcho >"=" '). so I tried a few
combinations. What I found was that the minimum you need to do to bring
down the machine is just type >"=". Anything before '>' is don't care.
Interesting. Anybody know the reason ?

                                    N. D. Parikh
                                    AT&T Bell Laboratories
                                    Allentown, PA