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From: tr@samadams.princeton.edu (Tom Reingold)
Newsgroups: comp.sys.ibm.pc.misc,comp.misc,comp.editors
Subject: Re: Question about Dos and backgrounded programs:
Message-ID: <1991Apr19.063847.110@newross.Princeton.EDU>
Date: 19 Apr 91 06:38:47 GMT
References: <1991Apr14.233111.28957@leland.Stanford.EDU>
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Another way to explain it is in terms of layers.  If a worm is already
inside an onion and burrows out towards the edge, he can turn around
and go back to his previous layer (analogous to your typing EXIT), but
he cannot hop straight to the center.
--
        Tom Reingold
        tr@samadams.princeton.edu  OR  ...!princeton!samadams!tr
        "Warning: Do not drive with Auto-Shade in place.  Remove
        from windshield before starting ignition."