Apple macintosh keyboard shortcuts

Here are the some of the shortcuts for Apple mac which would be helpful for you. Makes you to work faster and productive.I collected some of them hope it would be useful for u.

Menu commands:

     Option +Apple + H        Hide All But The Active Application
    Control + Eject              Shut Down, Sleep, or Restart Options
    Apple + Control + Eject  Quit all applications and Restart
    Apple + .                      Stop a process
    Apple + ,                     Open Preferences for Active Application
    option + Apple+ D         show/Hide Dock
    Control +Up Arrow         Move up one page
    Control + Down Arrow     Move down one page
    Option + Apple +Esc      Force Quit
    Shift+ Apple+ Q         Log out
    Shift +Option  Apple +Q Log out immediately
    Shift +Apple + Delete   Empty Trash
    Apple + H               Hide Active Application Doesn't Work With Adobe Applications.
    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
    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                          Menu Hide Finder
    Option + Command + H                 Finder Menu Hide Others
    Comman + N                           File Menu New Finder window
         Shift + Command + N                  File Menu New Folder
    Command + O                        File Menu Open
    Command + S                        File Menu Save
    Shif + 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 + 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               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
    Command + Alt + Space            Open Spotlight Guide
    F12                              Opens Dashboard

While startup:

Startup

    Press
       X               Force Mac OS X startup
    Option + Command + Shift + Delete                Bypass primary startup volume and seek a different startup volume (such as a CD or external disk)
            C                                        Start up from a CD that has a system folder
            N                                        Attempt to start up from a compatible network server
            T                                        Start up in FireWire Target Disk mode
     Shift                                           start up in Safe Boot mode and temporarily disable login items and   non-essential kernel extension files (Mac OS X 10.2 and later)
     Command V                              Start up in Verbose mode
     Command S                               Start up in Single-User mode
 Taking screen shots
     Command-Shift-3: Take a screenshot of the screen, and save it as a file on the desktop
    Command-Shift-4, then select an area: Take a screenshot of an area and save it as a file on the desktop
    Command-Shift-4, then space, then click a window: Take a screenshot of a window and save it as a file on the desktop
    Command-Control-Shift-3: Take a screenshot of the screen, and save it to the clipboard
    Command-Control-Shift-4, then select an area: Take a screenshot of an area and save it to the clipboard
    Command-Control-Shift-4, then space, then click a window: Take a screenshot of a window and save it to the clipboard

In Leopard, the following keys can be held down while selecting an area (via Command-Shift-4 or Command-Control-Shift-4):

    Space, to lock the size of the selected region and instead move it when the mouse moves
    Shift, to resize only one edge of the selected region
    Option, to resize the selected region with its center as the anchor point