different directories by setting the
<code class="mendoza-code">PREFIX</code> environment variable. Ideally, jpm should be installed to the same tree as Janet, although
this is not strictly required. See the JPM README in the repository for more information.
</p>
<h2 id="Updating-JPM">Updating JPM
</h2>
<p>Once installed and configured, JPM can update itself from the git repository at any time.
</p>
<pre class="mendoza-codeblock"><code>sudo jpm install jpm</code></pre><p><code class="mendoza-code">jpm</code