Copyright (c) 2001,2003,2004 David H. Hovemeyer <daveho@cs.umd.edu>
Copyright (c) 2003,2013,2014 Jeffrey K. Hollingsworth <hollings@cs.umd.edu>

All rights reserved.

This code may not be resdistributed without the permission of the
copyright holders.  Any student solutions using any of this code base
constitute derviced work and may not be redistributed in any form.
This includes (but is not limited to) posting on public forums or web
sites, providing copies to past, present, or future students enrolled
in similar operating systems courses to the University of Maryland's
CMSC412 course.

The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.