need both, then install it in both places, or use <code>npm link</code>.</li>
</ul>
<h3 id="prefix-configuration">prefix Configuration</h3>
<p>The <code>prefix</code> config defaults to the location where node is installed.
On most systems, this is <code>/usr/local</code>. On Windows, it&#39;s <code>%AppData%\npm</code>.
On Unix systems, it&#39;s one level up, since node is typically installed at
<code>{prefix}/bin/node</code> rather than <code>{prefix}/node.exe</code>.</p>
<p>When the <code>global</code> f