Keyboard shortcuts in Photoshop from Adobe for Mac OS X

Photoshop
Actual Pixels
⌥ ⌘ 0
Again
⇧ ⌘ T
All
⌘ A
All Layers
⌥ ⌘ A
Auto Color
⇧ ⌘ B
Auto Contrast
⌥ ⌘ L
Auto Levels
⇧ ⌘ L
Black & White...
⌥ ⌘ B
Bring Forward
⌘ ]
Bring to Front
⇧ ⌘ ]
Browse...
⌥ ⌘ O
Canvas Size...
⌥ ⌘ C
Close
⌘ W
Close All
⌥ ⌘ W
Close and Go To Bridge...
⇧ ⌘ W
Color Balance...
⌘ B
Color Settings...
⇧ ⌘ K
Copy
⌘ C
Copy Merged
⇧ ⌘ C
Create Clipping Mask
⌥ ⌘ G
Curves...
⌘ M
Cut
⌘ X
Desaturate
⇧ ⌘ U
Deselect
⌘ D
Extract...
⌥ ⌘ X
Extras
⌘ H
Fade...
⇧ ⌘ F
Feather...
⌥ ⌘ D
File Info...
⌥ ⌘ I
Fit on Screen
⌘ 0
Free Transform
⌘ T
Gamut Warning
⇧ ⌘ Y
General...
⌘ K
Grid
⌘ '
Group Layers
⌘ G
Guides
⌘ ;
Hide Others
⌥ ⌘ H
Hide Photoshop
⌃ ⌘ H
Hue/Saturation...
⌘ U
Image Size...
⌥ ⌘ I
Inverse
⇧ ⌘ I
Invert
⌘ I
Keyboard Shortcuts...
⌥ ⌘ K
Last Filter
⌘ F
Layer via Copy
⌘ J
Layer via Cut
⇧ ⌘ J
Layer...
⇧ ⌘ N
Levels...
⌘ L
Liquify...
⇧ ⌘ X
Lock Guides
⌥ ⌘ ;
Menus...
⌥ ⌘ M
Merge Layers
⌘ E
Merge Visible
⇧ ⌘ E
Minimize
⌃ ⌘ M
New...
⌘ N
Open...
⌘ O
Page Setup...
⇧ ⌘ P
Paste
⌘ V
Paste Into
⇧ ⌘ V
Pattern Maker...
⌥ ⌘ X
Photoshop Help...
⌘ /
Print One Copy
⌥ ⌘ P
Print...
⌘ P
Proof Colors
⌘ Y
Quit Photoshop
⌘ Q
Record Measurements
⇧ ⌘ M
Refine Edge...
⌥ ⌘ R
Reselect
⇧ ⌘ D
Rulers
⌘ R
Save
⌘ S
Save As...
⇧ ⌘ S
Save for Web & Devices...
⌥ ⌘ S
Send Backward
⌘ [
Send to Back
⇧ ⌘ [
Snap
⇧ ⌘ ;
Step Backward
⌥ ⌘ Z
Step Forward
⇧ ⌘ Z
Target Path
⇧ ⌘ H
Undo
⌘ Z
Ungroup Layers
⇧ ⌘ G
Vanishing Point...
⌥ ⌘ V
Zoom In
⌘ +
Zoom Out
⌘ -