Pointing Devices and Keyboard - Linux

2 Using the keyboard
Using hotkeys
Hotkeys are combinations of the fn key (1) and either the esc key (2) or one of the function keys (3).
The icons on the f1 through f9 and f11 and f12 keys represent the hotkey functions. Hotkey functions
and procedures are discussed in the following sections.
NOTE: Your computer may look slightly different from the illustration in this section.
Function Hotkey
Open Help for the active program. fn+f1
Open the Print Options window. fn+f2
Open a Web browser. fn+f3
Switch the screen image between computer display and
external display.
fn+f4
Initiate Suspend. fn+f5
Initiate QuickLock. fn+f6
Decrease screen brightness. fn+f7
Increase screen brightness. fn+f8
Mute speaker sound. fn+f9
Using hotkeys 3