-check"></i><b>4.2.1</b> Changing the working directory with <code>cd</code></a></li>
<li class="chapter" data-level="4.2.2" data-path="essential-unixlinux-terminal-knowledge.html"><a href="essential-unixlinux-terminal-knowledge.html#comm-prompt"><i class="fa fa-check"></i><b>4.2.2</b> Updating your command prompt</a></li>
<li class="chapter" data-level="4.2.3" data-path="essential-unixlinux-terminal-knowledge.html"><a href="essential-unixlinux-terminal-knowledge.html#tab-completion-for-paths"><i class="fa 