How to make full screenshot?

It can be handy when you are in a  hurry and want to make a full screenshot.

Go to Sound panel Shortcut

Somtimes you have to adjust the balance settings and need to go to the sound panel. Normally you have to go throug the system preference settings.  With this shortcut its easy and fast.

Hold down the alt key and press 1 of the volume keys. For example alt+F10 or alt+F11 or alt+F12
Its handy to know this because it seems that with my macbook sometimes the balance is a bit off and i need to adjust it to the center.  Overal i still like the mac because its so user friendly.
Thanks for reading :).

Decrease/increase 1/4 of your volume on a Mac

Hold down Option+Shift+ Volume button to increase or decrease by 1/4

Force close a program Mac Shortcut

To force close a program hit Option+Cmd+Escape,
This screen wil appear.

How to make screenshot with Mac

Hold down the key shift + cmd + 4.

Your mouse point will turn in a cross, just drag the mouse
while holding left mouse click. 
After not holding the left mouse click, it will make a screenshot of the area and it will automatically save to desktop.