added a bit more about screen
authorNancy R Ouyang <nouyang@mit.edu>
Tue, 17 Nov 2009 00:00:44 +0000 (19:00 -0500)
committersipb-www <sipb-www@real-mccoy.mit.edu>
Tue, 17 Nov 2009 00:00:44 +0000 (19:00 -0500)

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