students editing output

[Bob Peirce]

It strikes me the student could do his work in a subdirectory of a
directory, owned by the instructor.  The student owns his subdirectory
to prevent other students from looking.  The instructor arranges with
root to make all these directories become owned by the instructor and
unwritable by others at the cut-off date.  This could be done with cron
or at.
-- 

	 	    Bob Peirce, Pittsburgh, PA
	    uucp: ...!{allegra, bellcore, cadre, idis}
	  	     !pitt!darth!investor!rbp
			    412-471-5320

	    NOTE:  Mail must be < 30K  bytes/message