Photoshop Short Cut Keys

Photoshop Short Cut Key list is here.
Will keep adding as I find out more...

■■Short Cut Keys■■

● Quick Mask
1. Start quick mask
Q

2. Change black and white background
X

3. Choose brush
B

Then, you can start drawing quick mask area.

4. Change cutting area
Shift + command + I

5.　Finish selection
command + D

● Level Adjustment
command + L

■■Other helpful option■■

● Show History
Window -> History