Mac OS X Shortcut Keys

During Startup

Hold {command} + s	Start up in Single-User Mode
Hold {command} + v	Start up in Verbose Mode
Hold {Shift}	Safe Boot Mode - disables non essential kernel files and startup applications
Hold C	Boot from CD
Hold T	Boot in Firewire "Target Disk Mode"
Hold N	Network Boot
Hold X	Force Mac OS X startup
{command} + {option} + {delete} + {shift} mnemonic: CODS	Bypass primary boot volume and look for other volumes with bootsectors
{command} + {option} + O + F mnemonic: COOF	Open Firmware--Careful with this one.
{command} + {option} + P + R mnemonic: COPR	Zap P-RAM

Miscellaneous Keys

{command} + {shift} + 3	Take screenshot
{command} + {shift} + 4 press {space} over highlighted window	Take screenshot of selected window
{command} + {option} + D	Toggle Show/Hide dock
{command} + {tab}	Cycle through active windows
{command} + {option} + {esc}	Force Quit application
{command} + ?	Open Help

"Edit" Menu Commands

{command} + Z	Undo
{command} + X	Cut
{command} + C	Copy
{command} + V	Paste
{command} + A	Select All

"File" Menu Commands

{command} + N	New Finder Window
{shift} + {command} + N	New Folder
{command} + O	Open
{command} + S	Save
{shift} + {command} + S	Save As...
{command} + P	Print
{command} + W	Close Window
{command} + I	Get Info
{command} + D	Duplicate
{command} + L	Make Alias
{command} + R	Show Original
{command} + T	Add to Favorites
{command} + {delete}	Move to Trash
{command} + E	Eject
{command} + F	Find

"Go" Menu Commands

{command} + {shift} + C	Computer (local)
{command} + {shift} + H	Home Directory
{command} + {shift} + I	iDisk
{command} + {shift} + K	Network
{command} + {shift} + A	Applications Folder
{command} + {shift} + U	Utilities
{command} + {shift} + G	Go To Folder...
{command} + K	Connect to server
{command} + [	Go Back
{command} + ]	Go forward