Mac OS X Lion Keyboard Shortcuts

All these Mac OS X Lion shortcuts work in the Finder, and many work in other programs you find in Mac OS X Lion, as well. Want to know how to make these shortcuts second nature? Print out this chart and tape it to your monitor where you'll see it while using Mac OS X Lion.

Command	Keyboard Shortcut
Add Selected Item to Sidebar	Command+T
Close All Windows	Option+Command+W
Close Window	Command+W
Copy	Command+C
Cut	Command+X
Dashboard	F12 (fn+F12 on laptops)
Duplicate	Command+D
Eject Disk	Command+E
Empty Trash	Shift+Command+Delete
Find	Command+F
Get Info (on selected item or items)	Command+I
Go to All My Files	Shift+Command+F
Go to Applications Folder	Shift+Command+A
Go to Desktop	Shift+Command+D
Go to Home Folder	Shift+Command+H
Help	Shift+Command+?
Hide Current Application	Command+H
Log Out Current User	Shift+Command+Q
Make Alias	Command+L
Minimize Window	Command+M
Mission Control: All Windows	Control+Up Arrow (F3 on Apple keyboards)
Mission Control: Application Windows	Control+Down Arrow (Control+F3 on Apple keyboards)
Mission Control: Show Desktop	F11 (fn+F11 on laptops) (Command+F3 on Apple keyboards)
Move to Trash	Command+Delete
Empty Trash	Shift+Command+Delete
New Finder Window	Command+N
New Folder	Shift+Command+N
New Smart Folder	Option+Command+N
Next Window	Command+`
Open	Command+O
Open Inspector	Option+Command+I
Paste	Command+V
Quick Look (at selected item)	Command+Y or Spacebar
Select All	Command+A
Show Original (of selected alias)	Command+R
Show View Options	Command+J
Show/Hide Sidebar	Option+Command+S
Show/Hide Dock	Option+Command+D
Show/Hide Status Bar	Command+/
Turn VoiceOver On/Off	Command+F5 (fn+F5 on laptops)
Turn Zoom On/Off	Option+Command+8
Undo	Command+Z
View Window as Icons	Command+1
View Window as List	Command+2
View Window as Columns	Command+3
View Window as Cover Flow	Command+4

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Source:http://www.dummies.com/how-to/content/mac-os-x-lion-keyboard-shortcuts.html