From the linked docs > For example, if your distribution uses the GNOME desktop, locate the Show Applications icon (a grid of dots) docked on the left side of

From the linked docs > For example, if your distribution uses the GNOME desktop, locate the Show Applications icon (a grid of dots) docked on the left side of the screen, usually near the bottom. This icon opens a full-screen list of all applications installed on your system. Why would they be teaching Linux beginners how to use GNOME if that was their opinion?