Display hotkeys

Hide Selected	H	Operates on active models. An active model is the model under the cursor when the hotkey is pressed.
Show Selected	Ctrl + U	Operates on selected models.
Show All	U	Unhides all faces and models in the scene
Flat Lighting	Shift + L	Turns the display of Flat Lighting mode on or off.
Wireframe	W	Turns the wireframe display on or off.
Show Both Sides	Shift + B	Displays faces on the model as double or single-sided.
Light Direction	L + Left button L + Right button	Press L + left button then drag the stylus/mouse in the 3D View to rotate the active light relative to its current position. Press L + right button and click in the 3D View to immediately rotate the light to point from the location you clicked in the 3D View. When multiple lights exist in the view, only the selected light is affected.
Full Screen	Ctrl + T	Turns the display of the Windows task bar on or off.
Expert Mode	T	Turns off the display of bordering user interface elements maximizing the working area within the 3D View.