Mac common shortcut keys

Command+tab switching applications In any case-forward loop
Shift+command+tab Switching applications-loop backwards
Command+delete Move the selected resource to the Trash
Shift+command+delete emptying the wastepaper basket (with confirmation)
Shift+option+command+delete emptying the wastepaper basket directly
command+~ switching between multiple windows of the same application
Command+f calls out most of the application's query capabilities
command+c/v/x copy/paste/Cut
Command+n New application window
Command+l the current program is a browser, you can directly navigate to the address bar
Command+ "+/-" to enlarge or shrink the font
Control+space Exhaled Spotlight
Command+space Switching Input Method

Command+q exit the current application, the top left corner of all the application interface has red and yellow green Three small icons, click the green extension to the most suitable window size, * * * minimized, red off the current window, but did not exit the program. Use COMMAND+Q with Command+tab to close applications most quickly

System boot
Press X at startup: Force the computer to start using MAC OS x
Press Option-command-shift-delete at startup: Do not use the primary boot hard drive and look for the use of external disk with CD
Press C at startup: Started by a CD disc with a system folder
Press N at startup: Attempt to boot from a compatible network server (NetBoot)
Press T at startup: Start with FireWire target disk
When Shift:mac OS X 10.2 is pressed at startup, the startup project and core extension files that do not have to be run are not run when the "Secure Boot status" starts
Press COMMAND-V at startup: Start in Verbose State, temporary access to UNIX interface, mouse not available for short time
Press Command-s at startup: Starts with a single user state, enters the UNIX interface, and does not use the mouse

Finder window
Command-w: Close Window
OPTION-COMMAND-W: Close All windows
Command-RIGHT ARROW: Extend the contents of a folder in a list
Option-command-RIGHT ARROW: Extend this folder and all subordinate folder contents in the list
Command-Left Direction arrow: Indent folder contents in a list
Option-command-Up Direction Arrow: Open the folder and close the window now

menu commands
Option-command-h (Finder menu): Hide other apps
Option-shift-command-delete (Finder menu): Dump the Trash without the confirmation dialog box to determine
Option-command-m (Go to menu): Zoom out of all windows to the Dock
Option-command-w (File menu): Close all windows
Option-command-i (File menu): Show Properties Window

Shift-command-q (Apple menu): Log out user
Shift-option-command-q (Apple menu): Log out user now
Shift-command-delete (Finder menu): Dumping Trash
Shift-command-c (Go to menu): Display the computer window in the Finder
Shift-command-h (Go to menu): Display the personal window in the Finder
Shift-command-i (Go to menu): Show IDisk content in Finder
Shift-command-a (Go to menu): Show application Folder in Finder
Shift-command-f (Go to menu): Show favorite items in Finder
Shift-command-g (Go to menu): Transfer to folder in Finder
Shift-command-s (File menu): Save data, name entered by user
Shift-command-n: Create a new folder from the File menu in the Finder

Command-f (File menu): Search
Command-z (Edit menu): Restore
command-d (File menu): Copy
Command-x (Edit menu): Cut
Command-c (Edit menu): Copy
Command-v (Edit menu): Paste
Command-a (Edit menu): Select everything
Command-k (Go to menu): Connect to Server in Finder
Command-m (Go to menu): Zoom Out window to Dock
Command-? (Help menu): Open Help profile

Command-n: Open a new Finder window from the File menu in the Finder
Command-o (File menu): Open File
Command-s (File menu): Save data
Command-p (File menu): Print
Command-w (File menu): Close window
Command-h (Finder menu): Menu Hide Finder
Command-i (File menu): Open Project Introduction
Command-l (File menu): Create aliases in Finder
Command-r (File menu): Display the original body
Command-delete (File menu): In Finder, remove to trash
Command-e (File menu): In Finder, eject device
Command-1 (Show menu): In the Finder, set the display mode to icon [botanswer: How to change the icon inside the system. ]
Command-2 (Show menu): In the Finder, set the display mode to the list
Command-3 (Show menu): In the Finder, set the display mode to columns
Command-b (Show menu): Hide the toolbar in the Finder
Command-j (Show menu): View display in Finder
Command-[(Go to menu): Show content in the Finder to a recently viewed window back
Command-] (Go to menu): Show content to a recently viewed window in the Finder forward

Command-space (more advanced tips for Spotlight[spotlight): More advanced tips for activating and using Spotlight[spotlight] (limited to Mac OS X v10.4 and newer operating system software)
Command-t (File menu): In the Finder, Mac OS X v10.2.8 or earlier operating system software version adds the selected items to your preferences, adds the selected items to the left sidebar in Mac OS X v10.3 and later, and if you need to add them to your preferences, Must be used SHIFT-COMMAND-T

Mac common shortcut keys