Keyboard Shortcuts Part2

Edit Menu
Action/Windows/Mac
Copy/Ctrl+C/Cmd+C
CopyMerged/Ctrl+Shift+C/Cmd+Shift+C
Cut/Ctrl+X/Cmd+X
Free Transform/Ctrl+T/Cmd+T
Keyboard Shortcuts/Alt+Shift+Ctrl+K/Option+Shift+Cmd+K
Paste/Ctrl+V/Cmd+V
Paste Into/Ctrl+Shift+V/Cmd+Shift+V
Step Back in History/Ctrl+Alt+Z/Cmd+Option+Z
Step Forward in History/Ctrl+Shift+Z/Cmd+Shift+Z
Undo/Ctrl+Z/Cmd+Z

Photoshop guru's love their keyboard shortcuts. so if you wanna fell good on it and save time while using Photoshop why not check out the list and see what's best for you.

File Menu
Action/Windows/Mac
Close/Ctrl+W/Cmd+W
Close All/Ctrl+Shift+W/Cmd+Shift+W
Exit/Quit/Ctrl+Q/Cmd+Q
Jump to ImageReady/Ctrl+Shift+M/Cmd+Shift+M
Help /F1/F1
New /Ctrl+N/Cmd+N
New Layer /Ctrl+Shift+N/Cmd+Shift+N
Open /Ctrl+O/Cmd+O
Open As /Ctrl+Alt+O/n/a
Page Setup/Ctrl+Shift+P/Cmd+Shift+P
Print/Ctrl+P/Cmd+P
Save/Ctrl+S/Cmd+S
Save As/Ctrl+Shift+S/Cmd+Shift+S
Save a Copy/Ctrl+Alt+S/Cmd+Option+S
Save for Web/Ctrl+Alt+Shift+S/Cmd+Option+Shift+S