Tool Box

And

Palettes shortcuts

 

Layers
Press F7

Brushes

F5
Colour F6
Info F8
Actions F9
Paintbrush Options Enter key

 

Ctrl + N New blank sheet
Ctrl + O Open
Ctrl + W Close
Shft + Ctrl + S Save as
Ctrl + P Print
Ctrl + L Levels
Shft + Ctrl + L Auto Levels
Ctrl + M Curves
Ctrl + U Hue/Saturation
Shft + Ctrl + U Desaturate
Ctrl + I Invert
Ctrl + Q Exit