     for <code>rm</code>. Flags are ways to specify modified behavior for commands --
            for example, <code>rm</code> by itself only removes files; using <code>&#x2d;r</code> tells <code>rm</code>
            to remove directories.</p>
        </blockquote>


        <h3 id="summary-of-directories">Summary of directories</h3>


        <p>So far, we have learned how to do the following with directories
          (folders):</p>

        <ul>
          <li><code>ls</code>: <strong>l</strong>i<strong>