additional libraries that are used by your program or by PGPLOT. For example, if your version of PGPLOT includes one of the X-window drivers, you will probably need to add <code>-L<i>directory</i> -lX11</code> to the command line. (This is not required on Solaris.)</li>
</ul>
</li>

<li><b>VMS</b> 

<pre class="f">$ FORTRAN PGPROG
$ LINK PGPROG, PGPLOT_DIR:GRPSHR/LIB
</pre>

The logical name <code>PGPLOT_DIR</code> should point to the directory in which the PGPLOT library is installed. (Your system may be s