+/-

Zoom in/Zoom out in Canvas View

Slider

Moving it to the left zooms out the canvas view while moving to the right zooms in the canvas view

Command+Z

Undo Last Operation

Command+0

Fit to Screen

Command+Spacebar

Zoom in (Switch to Zoom)

Option+Spacebar

Zoom out (Switch to Zoom)

Spacebar

Move Screen (Switch to Zoom)

Shift+Spacebar

Rotate Canvas

Delete

Clear

F

Flood Fill

G

Toggle Gradient/Fill

L

Lasso Selection Tool

H

Hide Selection Border

Q

Quick Mask

Command+Shift+N

New Layer

Command+Option+E

Change Layer Type

Command+R

Show/Hide Rulers

Command+4

Show/Hide Transperency

Spacebar

Move Page

Shift+Spacebar

Rotate Page

Command+NumPad +/Command+NumPd -

Page Zoom in/Page Zoom out

Command+Option+0

Zoom Page to Actual Size

Command+Shift+0

Zoom Page to Print Size

Command+Z

Undo Last Action

Command+Y

Redo Last Action

]/[

Increase/Decrease Brush/Line Size

4

Switch to Black Color

5

Switch to White Color

6

Switch to Transparent Color

7

Switch to Tone

Shift+Drag

Draw Straight Line/Maintain aspect Ratio fro Shape

Command+A

Select All

Command+D

DeSelect All

Command+I

Invert Selection

Command+M

Quick Mask

Command+Shift+M

Quick Select

Command+F

Convert Selection Layer to Selection

Command+Shift+D

Convert Selection to Layer