ou have permission to use the executables
    by typing <tt>"ls -l ~mary/hole2/exe"</tt>.
    If you cannot see this directory then go and speak to mary
    who should change the permissions for all the top hole2 directory
    (get her to type <tt>chmod a+rx ~/hole2</tt>).
<p>
<li>Unless you have installed hole in your own space you will need to
    modify the examples provided to point to the correct radius files.
    When specifying a file for vdw radii (using a <a href="hole_d03.html#RADIUS">
    RADIUS<