title: Windows [cmd.exe] command to display a messagebox with timeout?
body: <p><sub>Note: This is a <strong><a href="https://stackoverflow.com/help/self-answer">question-with-answer</a></strong> in order to document a technique that others might find useful, and in order to perhaps become aware of others&rsquo; even better solutions. Do feel free to add critique or questions as comments. Also do feel free to add additional answers. :)</sub></p>
  
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  <p>How can I display a <strong>messagebox</strong> by typing a single Windows command, e.g. in the <em>Run</em> dialog from the Start menu, or in the [cmd.exe] command interpreter?</p>