October 04, 2012, 5:18 PM — Here's how you can change the HUD key in Ubuntu Linux.
1. Go to System Settings for the Dash.
2. Go to Keyboard.
3. Go to Shortcuts.
4. Go to Launchers
5. Select Key to Show Hud
6. Change the key to whatever you prefer to use.
For more, see the original article at the link below.
Change HUD Key | Noobslab