Keyboard shortcuts in OS X

Here is a list of all the shortcuts in Mac OS X.. Perhaps useful if you switched to the mac or forgotten certain shortcuts..

It's a pretty long list, but perhaps useful..

Startup

• "Press X during startup" = Force Mac OS X startup
• "Press Option-Command-Shift-Delete during startup" = Bypass primary startup volume and seek a different startup volume (such as a CD or external disk)
• "Press C during startup" = Start up from a CD that has a system folder
• "Press N during startup" = Attempt to start up from a compatible network server (NetBoot)
• "Press T during startup" = Start up in FireWire Target Disk mode
• "Press Shift during startup" = start up in Safe Boot mode and temporarily disable login items and non-essential kernel extension files (Mac OS X 10.2 and later)
• "Press Command-V during startup" = Start up in Verbose mode
• "Press Command-S during startup" = Start up in Single-User mode

Finder window

• "Command-W" = Close Window
• "Option-Command-W" = Close all Windows
• "Command-Right Arrow" = Expand folder (list view)
• "Option-Command-Right Arrow" = Expand folder and nested subfolders (list view)
• "Command-Left Arrow" = Collapse Folder (list view)
• "Option-Command-Up Arrow" = Open parent folder and close current window

Menu Commands

• "Shift-Command-Q" = Apple Menu Log out
• "Shift-Option-Command-Q" = Apple Menu Log out immediately
• "Shift-Command-Delete" = Finder Menu Empty Trash
• "Option-Shift-Command-Delete" = Finder Menu Empty Trash without dialog
• "Command-H" = Finder Menu Hide Finder
• "Option-Command-H" = Finder Menu Hide Others
• "Command-N" = File Menu New Finder window
• "Shift-Command-N" = File Menu New Folder
• "Command-O" = File Menu Open
• "Command-S" = File Menu Save
• "Shift-Command-S" = File Menu Save as
• "Command-P" = File Menu Print
• "Command-W" = File Menu Close Window
• "Option-Command-W" = File Menu Close all Windows
• "Command-I" = File Menu Get Info
• "Option-Command-I" = File Menu Show Attributes Inspector
• "Command-D" = File Menu Duplicate
• "Command-L" = File Menu Make Alias
• "Command-R" = File Menu Show original
• "Command-T" = File Menu Add to Favorites
• "Command-Delete" = File Menu Move to Trash
• "Command-E" = File Menu Eject
• "Command-F" = File Menu Find
• "Command-Z" = Edit Menu Undo
• "Command-X" = Edit Menu Cut
• "Command-C" = Edit Menu Copy
• "Command-V" = Edit Menu Paste
• "Command-A" = Edit Menu Select All
• "Command-1" = View Menu View as Icons
• "Command-2" = View Menu View as List
• "Command-3" = View Menu View as Columns
• "Command-B" = View Menu Hide Toolbar
• "Command-J" = View Menu Show View Options
• "Command - [" = Go Menu Back
• "Command - ]" = Go Menu Forward
• "Shift-Command-C" = Go Menu Computer
• "Shift-Command-H" = Go Menu Home
• "Shift-Command-I" = Go Menu iDisk
• "Shift-Command-A" = Go Menu Applications
• "Shift-Command-F" = Go Menu Favorites
• "Shift-Command-G" = Go Menu Goto Folder
• "Command-K" = Go Menu Connect to Server
• "Command-M" = Window Menu Minimize Window
• "Command-?" = Help Menu Open Mac Help
• "Command-Space" = Open Spotlight (Mac OS X 10.4 or later)
• "Command-Alt-Space" = Open Spotlight Guide (Mac OS X 10.4 or later)
• "F12" = Opens Dashboard (Mac OS X 10.4 or later)

Universal Access and VoiceOver

• "Option-Command-* (asterisk)" = Turn on Zoom
• "Option-Command-+ (plus)" = Zoom in
• "Option-Command-- (minus)" = Zoom out
• "Control-Option-Command-* (asterisk)" = Switch to White on Black
• "Control-F1" = Turn on Full Keyboard Access When Full Keyboard Access is turned on, you can use the key combinations listed in the table below from the Finder.
  
• "Control-F2" = Full Keyboard Access Highlight Menu
• "Control-F3" = Full Keyboard Access Highlight Dock
• "Control-F4" = Full Keyboard Access Highlight Window (active) or next window behind it
• "Control-F5" = Full Keyboard Access Highlight Toolbar
• "Control-F6" = Full Keyboard Access Highlight Utility window (palette)
• "Command-F5 or fn-Command-F5" = Turn VoiceOver on or off (Mac OS X 10.4 or later)
• "Control-Option-F8 or fn-Control-Option-F8" = Open VoiceOver Utility (Mac OS X 10.4 or later)
• "Control-Option-F7 or fn-Control-option-F7" = Display VoiceOver menu (Mac OS X 10.4 or later)
• "Control-Option-; or fn-Control-option-" = Enable/disable VoiceOver Control-Option lock (Mac OS X 10.4 or later)

Mouse Keys

• "8" = Move Up
• "2" = Move Down
• "4" = Move Left
• "6" = Move Right
• "1, 3, 7, 9" = Move Diagonally
• "5" = Press Mouse Button
• "0" = Hold Mouse Button
• ". (period on keypad)" = Release Mouse Button (use after pressing 0)

Other Commands

• "Option-Command-D" = Show/Hide Dock
• "Command-Tab" = Switch application
• "Command-Up Arrow" = Move up one directory
• "Command-Down Arrow" = Move down one directory
• "Page Up or Control-Up Arrow" = Move up one page
• "Page Down or Control-Down Arrow" = Move down one page
• "Option-Drag" = Copy to new location
• "Option-Command-Drag" = Make alias in new location
• "Command-Drag" = Move to new location without copying
• "Command-C" = Show Colors palette in application
• "Command-T" = Show Font palette in application
• "Command-Shift-3" = Take a picture of the screen
• "Command-Shift-4" = Take a picture of the selection
• "Command-Shift-4, then press Control while selecting" = Take a picture of the screen, place in Clipboard
• "Command-Shift-4, then Spacebar" = Take a picture of the selected window
• "Option-Command-esc" = Force Quit
• "Control-Eject" = Restart, Sleep, Shutdown dialog box
• "Control-Command-Eject" = Quit all applications and restart
• "Option-Command-Eject or Option-Command-Power" = Sleep
• "Command-click window toolbar button (upper right corner)" = Cycle through available views for the window's toolbar (dependant on the nature of the Finder or application window)
• "Command-`" = Cycle through windows in application or Finder (if more than one window is open)
• "Function-Delete (PowerBook, iBook only)" = Forward Delete (delete the character to the right of your cursor)

Pretty long list =)