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From: cantie@acsu.buffalo.edu (bruce n cantie)
Newsgroups: comp.sys.ibm.pc.misc,comp.sys.novell
Subject: Re: shelling to Dos
Message-ID: <52979@eerie.acsu.Buffalo.EDU>
Date: 26 Dec 90 06:32:05 GMT
References: <1990Dec24.012958.9228@magnus.ircc.ohio-state.edu> <1990Dec25.024222.13265@xrtll.uucp>
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In article <1990Dec25.024222.13265@xrtll.uucp> silver@xrtll.UUCP (Hi Ho Silver) writes:
>In article <1990Dec24.012958.9228@magnus.ircc.ohio-state.edu> salter@magnus.ircc.ohio-state.edu (John E Salter) writes:
>$How does one prevent an application from shelling to DOS?
>
>   Well, before invoking it, you could set the COMSPEC environment variable
>to point to a program which simply returns, and reset it afterwards.  There
>may well be other ways ...


Another 'easy' way is to simply do SET COMSPEC= before invoking the program.
Then reset the COMSPEC back to the valid COMMAND.COM.  In our case the DOS
directory on the server is always mapped to Y:, so we do:

		SET COMSPEC=
		PROGRAM
		SET COMSPEC=Y:COMMAND.COM

You might have to work things a little different if you ues boot disks or
hard drives in the workstations (we have boot proms in the 3COM 501 and 503
cards condifured for packet drivers to use telnet/ftp).

>-- 
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Bruce Cantie          Internet:  cantie@cs.Buffalo.EDU | I speak only for me,
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