Fedora GNOME 3 show desktop keyboard shortcut.
The Ctrl-Alt-D keyboard shortcut to show the desktop no longer works by default in Fedora 15’s GNOME shell. This can be very frustrating if you have many windows open and need to get to the desktop quickly.
Let’s fix it. Click your username in the top right of the screen and select System Settings.
Under Hardware click Keyboard.
Switch to the Shortcuts tab, and click Navigation in the left column. Scroll down and select Hide all normal windows which has a default value of Disabled.
Set the shortcut to whatever you want.