for Xcode to finish installing.</li>
<li>Open the Xcode application, click top-level menu <code>Preferences</code>,
click top-row button <code>Downloads</code>, click button for
<code>Components</code>, click on the <code>Install</code> button to the right of
the <code>Command Line Tools</code> entry, then wait for it to finish
installing.</li>
<li>Click the top-level menu item <code>Xcode</code>, then click item <code>Quit Xcode</code> to quit.</li>
</ul>
<p>To test, open the Terminal application and enter