<strong>If you specify an argument for an output file</strong> (one or more of <code>--output</code>, <code>--image</code> or <code>--structureimage</code>) then it will be assumed that you wish to <strong>run in headless mode</strong>.
</p>
<p>
- You can force Jalview to run in graphical mode using the <code>--gui</code> or <code>--noheadless</code> arguments.
+ You can force Jalview to run in graphical mode using the <code>--gui</code> argument.
</p>
<p>