()
            throws java.io.IOException</pre>
<div class="block">Runs a process defined by the command line and returns its exit status.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>the exit status of the subprocess or <code>INVALID</code>.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.io.IOException</code> - The exception is thrown, if launching
            of the subprocess failed.</dd></dl>
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