em on your machine.

<h3>Examples</h3>
<blockquote><pre>
&lt;exec executable=&quot;emacs&quot;&gt;
  &lt;env key=&quot;DISPLAY&quot; value=&quot;:1.0&quot;/&gt;
&lt;/exec&gt;
</pre></blockquote>
<p>starts <code>emacs</code> on display 1 of the X Window System.</p>

<blockquote><pre>
&lt;property environment=&quot;env&quot;/&gt;
&lt;exec ... &gt;
  &lt;env key=&quot;PATH&quot; path=&quot;${env.PATH}:${basedir}/bin&quot;/&gt;
&lt;/exec&gt;
</pre></blockquote>
<p>adds <code>${basedir}/bin</code> to the <code>P