Sometimes it can be useful to be able to control the mouse using the keyboard. You can do just that with the Mouse Keys tab, shown in Figure 3.9.
Click the checkbox to activate the feature, and you can then choose your desired acceleration, speed, and delay for the simulated mouse by moving the sliders left and right. You can test the settings by pressing the keypad arrow keys.
Figure 3.9. Ubuntu allows you to control the mouse with the keyboard
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