both owner and group.  On Windows systems, the mode
                 argument is ignored.
            </p>
          </li>
          <li>
            <p>
                  <span class="bold"><strong>-nelem size</strong></span> 
            </p>
            <p>
                 Set an estimate of the final size of the hash table.     
             </p>
            <p>
                 If not set or set too low, hash tables will still expand gracefully as
                 keys are entered, although a slight p