The desktop environment used in Tails is [GNOME](https://www.gnome.org).This page describes some important features of the desktop in the context of Tails.
The shape of the Activities button represents your workspaces, the grouping of windows on your desktop. For example, below is the shape of the Activities button if you have 3 workspaces and the second workspace is the one that it displayed right now.
<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>