Mac OS X keyboard shortcuts
Command-Space
Show or hide the Spotlight search field (if multiple languages are installed, may rotate through enabled script systems)
Control-A
Move to beginning of line/paragraph
Control-B
Move one character backward
Control-D
Delete the character in front of the cursor
Control-E
Move to end of line/paragraph
Control-F
Move one character forward
Control-H
Delete the character behind the cursor
Control-K
Delete from the character in front of the cursor to the end of the line/paragraph
Control-L
Center the cursor/selection in the visible area
Control-N
Move down one line
Control-O
Insert a new line after the cursor
Control-P
Move up one line
Control-T
Transpose the character behind the cursor and the character in front of the cursor
Control-V
Move down one page
Option-Delete
Delete the word that is left of the cursor, as well as any spaces or punctuation after the word
Option-Command-Space
Show the Spotlight search results window (if multiple languages are installed, may rotate through keyboard layouts and input methods within a script)
Command-Tab
Move forward to the next most recently used application in a list of open applications
Shift-Command-Tab
Move backward through a list of open applications (sorted by recent use)
Shift-Tab
Navigate through controls in a reverse direction
Control-Tab
Move focus to the next grouping of controls in a dialog or the next table (when Tab moves to the next cell)
Shift-Control-Tab
Move focus to the previous grouping of controls
Command-esc
Open Front Row (if installed)
Option-Eject
Eject from secondary optical media drive (if one is installed)
Control-Eject
Show shutdown dialog
Option-Command-Eject
Put the computer to sleep
Control-Command-Eject
Quit all applications (after giving you a chance to save changes to open documents), then restart the computer
Control Option-Command-Eject
Quit all applications (after giving you a chance to save changes to open documents), then shut down the computer
fn-Delete
Forward Delete (on portable Macs' built-in keyboard)
Control-F1
Toggle full keyboard access on or off
Control-F2
Move focus to the menu bar
Control-F3
Move focus to the Dock
Control-F4
Move focus to the active (or next) window
Shift-Control-F4
Move focus to the previously active window
Control-F5
Move focus to the toolbar.
Control-F6
Move focus to the first (or next) panel
Shift-Control-F6
Move focus to the previous panel
Control-F7
Temporarily override the current keyboard access mode in windows and dialogs
F9
Tile or untile all open windows
F10
Tile or untile all open windows in the currently active application
F11
Hide or show all open windows
F12
Hide or display Dashboard
Command-`
Activate the next open window in the frontmost application
Shift-Command-`
Activate the previous open window in the frontmost application
Option-Command-`
Move focus to the window drawer
Command- - (minus)
Decrease the size of the selected item
Command-{
Left-align a selection
Command-}
Right-align a selection
Command-|
Center-align a selection
Command-:
Display the Spelling window
Command-;
Find misspelled words in the document
Command-,
Open the front application's preferences window (if it supports this keyboard shortcut)
Option-Control-Command-,
Decrease screen contrast
Option-Control-Command-.
Increase screen contrast
Command-?
Open the application's help in Help Viewer
Option-Command-/
Turn font smoothing on or off
Shift-Command-=
Increase the size of the selected item
Shift-Command-3
Capture the screen to a file
Shift-Control-Command-3
Capture the screen to the Clipboard
Shift-Command-4
Capture a selection to a file
Shift-Control-Command-4
Capture a selection to the Clipboard
Command-A
Highlight every item in a document or window, or all characters in a text field
Command-B
Boldface the selected text or toggle boldfaced text on and off
Command-C
Copy the selected data to the Clipboard
Shift-Command-C
Display the Colors window
Option-Command-C
Copy the style of the selected text
Control-Command-C
Copy the formatting settings of the selected item and store on the Clipboard
Option-Command-D
Show or hide the Dock
Command-Control-D
Display the definition of the selected word in the Dictionary application
Command-D
Selects the Desktop folder in Open and Save dialogs
Selects "Don't Save" in dialogs that contain a Don't Save button, in Mac OS X v10.6.8 and earlier Command-Delete Selects "Don't Save" in dialogs that contain a Don't Save button, in OS X Lion Command-E Use the selection for a find Command-F Open a Find window Option-Command-F Move to the search field control Command-G Find the next occurrence of the selection Shift-Command-G Find the previous occurrence of the selection Command-H Hide the windows of the currently running application Option-Command-H Hide the windows of all other running applications Command-I Italicize the selected text or toggle italic text on or off Option-Command-I Display an inspector window Command-J Scroll to a selection Command-M Minimize the active window to the Dock Option-Command-M Minimize all windows of the active application to the Dock Command-N Create a new document in the frontmost application Command-O Display a dialog for choosing a document to open in the frontmost application Command-P Display the Print dialog Shift-Command-P Display a dialog for specifying printing parameters (Page Setup) Command-Q Quit the frontmost application Command-S Save the active document Shift-Command-S Display the Save As dialog Command-T Display the Fonts window Option-Command-T Show or hide a toolbar Command-U Underline the selected text or turn underlining on or off Command-V Paste the Clipboard contents at the insertion point Option-Command-V Apply the style of one object to the selected object (Paste Style) Option-Shift-Command-V Apply the style of the surrounding text to the inserted object (Paste and Match Style) Control-Command-V Apply formatting settings to the selected object (Paste Ruler Command) Command-W Close the frontmost window Shift-Command-W Close a file and its associated windows Option-Command-W Close all windows in the application without quitting it Command-X Remove the selection and store in the Clipboard Command-Z Undo previous command (some applications allow for multiple Undos) Shift-Command-Z Redo previous command (some applications allow for multiple Redos) Control-Right Arrow Move focus to another value or cell within a view, such as a table Control-Left Arrow Move focus to another value or cell within a view, such as a table Control-Down Arrow Move focus to another value or cell within a view, such as a table Control-Up Arrow Move focus to another value or cell within a view, such as a table Command-Right Arrow Move the text insertion point to the end of the current line Command-Left Arrow Move the text insertion point to the beginning of the current line Command-Down Arrow Move the text insertion point to the end of the document Command-Up Arrow Move the text insertion point to the beginning of the document
Selects "Don't Save" in dialogs that contain a Don't Save button, in Mac OS X v10.6.8 and earlier Command-Delete Selects "Don't Save" in dialogs that contain a Don't Save button, in OS X Lion Command-E Use the selection for a find Command-F Open a Find window Option-Command-F Move to the search field control Command-G Find the next occurrence of the selection Shift-Command-G Find the previous occurrence of the selection Command-H Hide the windows of the currently running application Option-Command-H Hide the windows of all other running applications Command-I Italicize the selected text or toggle italic text on or off Option-Command-I Display an inspector window Command-J Scroll to a selection Command-M Minimize the active window to the Dock Option-Command-M Minimize all windows of the active application to the Dock Command-N Create a new document in the frontmost application Command-O Display a dialog for choosing a document to open in the frontmost application Command-P Display the Print dialog Shift-Command-P Display a dialog for specifying printing parameters (Page Setup) Command-Q Quit the frontmost application Command-S Save the active document Shift-Command-S Display the Save As dialog Command-T Display the Fonts window Option-Command-T Show or hide a toolbar Command-U Underline the selected text or turn underlining on or off Command-V Paste the Clipboard contents at the insertion point Option-Command-V Apply the style of one object to the selected object (Paste Style) Option-Shift-Command-V Apply the style of the surrounding text to the inserted object (Paste and Match Style) Control-Command-V Apply formatting settings to the selected object (Paste Ruler Command) Command-W Close the frontmost window Shift-Command-W Close a file and its associated windows Option-Command-W Close all windows in the application without quitting it Command-X Remove the selection and store in the Clipboard Command-Z Undo previous command (some applications allow for multiple Undos) Shift-Command-Z Redo previous command (some applications allow for multiple Redos) Control-Right Arrow Move focus to another value or cell within a view, such as a table Control-Left Arrow Move focus to another value or cell within a view, such as a table Control-Down Arrow Move focus to another value or cell within a view, such as a table Control-Up Arrow Move focus to another value or cell within a view, such as a table Command-Right Arrow Move the text insertion point to the end of the current line Command-Left Arrow Move the text insertion point to the beginning of the current line Command-Down Arrow Move the text insertion point to the end of the document Command-Up Arrow Move the text insertion point to the beginning of the document
Shift-Command-Right Arrow
Select text between the insertion point and the end of the current line (*) Shift-Command-Left Arrow Select text between the insertion point and the beginning of the current line (*) Shift-Right Arrow Extend text selection one character to the right (*) Shift-Left Arrow Extend text selection one character to the left (*) Shift-Command-Up Arrow Select text between the insertion point and the beginning of the document (*) Shift-Command-Down Arrow Select text between the insertion point and the end of the document (*) Shift-Up Arrow Extend text selection to the line above, to the nearest character boundary at the same horizontal location (*) Shift-Down Arrow Extend text selection to the line below, to the nearest character boundary at the same horizontal location (*) Shift-Option-Right Arrow Extend text selection to the end of the current word, then to the end of the following word if pressed again (*) Shift-Option-Left Arrow Extend text selection to the beginning of the current word, then to the beginning of the following word if pressed again (*) Shift-Option-Down Arrow Extend text selection to the end of the current paragraph, then to the end of the following paragraph if pressed again (*) Shift-Option-Up Arrow Extend text selection to the beginning of the current paragraph, then to the beginning of the following paragraph if pressed again (*) Control-Space Toggle between the current and previous input sources Option-Control-Space Toggle through all enabled input sources Option-Command-esc Force QuitRead more http://support.apple.com/kb/HT1343