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- From: beng@dorsai.com (ben ng)
- Newsgroups: comp.os.msdos.misc
- Subject: Re: How to prevent shelling out?
- Message-ID: <iB03VB1w165w@dorsai.com>
- Date: 20 Dec 92 16:07:41 GMT
- References: <1992Dec18.152918.6805@mnemosyne.cs.du.edu>
- Sender: beng@dorsai.com (Ben Ng)
- Organization: The Dorsai Embassy, New York's Computer Consulate. +1.718.729.5018
- Lines: 19
-
- fburton@nyx.cs.du.edu (Francis Burton) writes:
-
- > I have a program which I would like to run as a module in a
- > self-instruction class. This particular program allows shelling
- > out to DOS by running a second instance of COMMAND.COM (I think).
- > Although most students would not abuse this facility, I would feel
- > safer if it was not possible to do this.
- >
- Use a binary editor and such for the COMSPEC within the file. If it
- searches thru COMPSEC for COMMAND.COM then remove it.
- OR
- If you'd like to present a little message you can setup your own
- environmental variable that leads to a program you replace for
- COMMAND.COM
-
- Ben Ng
- beng@dorsaid.com
- uupsi!dorsaidm!beng
- 1:278/706
-