<p>By default, any setting that you change in Tails is lost when you shut down. Only the settings that you saved in the [[Persistent Storage|persistent_storage]] are restored when you restart Tails.</p>
<p>To learn about the many keyboard shortcuts in GNOME, open the <i>Settings</i>. At the bottom of the <b>Keyboard</b> section, choose <b>View and Customize Shortcuts</b>.</p>
The Tor status icon ([[!img lib/symbolic/tor-disconnected.png alt="Tor status menu" link="no" class="symbolic"]] or [[!img lib/symbolic/tor-connected.png alt="Tor status menu" link="no" class="symbolic"]]) provides a shortcut to *Onion Circuits*, which allows you to manage the Tor circuits being used by Tails.
<div class="tip"> <p>Your screen will automatically lock after some time if you have set up an administration password. To disable this behavior, execute the following command in a terminal:</p>
To learn about all keyboard shortcuts in GNOME visit [GNOME Help: Useful keyboard shortcuts](https://help.gnome.org/users/gnome-help/stable/shell-keyboard-shortcuts.html.en)or use the *Settings* application in Tails: