<p><b>Chmod</b> allows you to specify the permissions for selected item(s), setting them as writable, readable, executable, etc.  Simply check off the actions you want or if you know the Chmod number, enter it in the 'as numerical' field and click 'Chmod'. </p>
<p>If you need more information, a tutorial explaining how to configure permissions is available here: <a href="http://www.itc.virginia.edu/desktop/web/permissions/" target="helpinfo"><b>http://www.itc.virginia.edu/desktop/web/permissions/</b></a></p>
