Shortcut Keys for Mac OS

The following results are searched online and summarized here for your daily use.

System Startup
Press X at startup: Force Mac OS X to start the computer
When starting, press option-command-shift-delete: Do not use the primary boot hard disk, and find the external disk and CD
Press C at startup: Start the CD with a system folder
Press N at startup to try to be started by a compatible network server (netboot)
Press T at startup to start the disk as the target disk in the FireWire mode.
After you press shift: Mac OS X 10.2 at startup and start in secure startup status, all startup projects and core extension files that do not need to be run are not run.
When started, press command-V: To start in verbose state. The system will temporarily enter the Unix interface, so you cannot use the mouse for a short time.
When starting, press command-S: to start as a single user. The UNIX interface is displayed, and the mouse is unavailable.

Finder window
Command-W: Close the window
Option-command-W: Close all windows
Command-right arrow: Expand the folder content in the list
Option-command-right arrow: expand this folder and all subordinate folders in the list
Command-left arrow: Hide the folder content in the list
Option-command-Up Arrow: Open the folder and close the current window

Menu commands
Shift-command-Q (Apple menu): log out of the user
Shift-Option-command-Q (Apple menu): log out immediately
Shift-command-delete (finder menu): dumping the wastepaper basket
Option-shift-command-delete (finder menu): dumping the waste bin without confirmation in the confirmation dialog box
Command-H (finder menu): Hide the Finder
Option-command-H (finder menu): hide other applications Program
Command-N: enable the new finder window from the File menu in the finder.
Shift-command-N: create a new folder from the File menu in the Finder
Command-O (File menu): open a file
Command-S (File menu): save data
Shift-command-s (File menu): saves the data. The name is input by the user.
Command-P (File menu): Print
Command-W (File menu): Close the window
Option-command-W (File menu): Close all windows
Command-I (File menu): Open the Project Overview
Option-command-I (File menu): Display attribute window
Command-D (File menu): Copy
Command-l (File menu): Create a replacement in the Finder
Command-R (File menu): displays the original body
Command-T (File menu): In the finder, Mac OS X v10.2.8 or earlier operating system software versions Add the selected project to the preference project, add the selected items to the left-side toolbar in Mac OS X v10.3 and later versions. If you want to add the selected items to a preferred project, use Shift-command-T
Command-delete (File menu): In the finder, remove it to the wastepaper basket.
Command-E (File menu): launch a device in the Finder
Command-F (File menu): Search
Command-z (edit menu): Restore
Command-X (edit menu): Cut
Command-C (edit menu): Copy
Command-V (edit menu): Paste
Command-A: Select everything
Command-1 (display menu): In the finder, set the display mode to an icon
Command-2 (display menu): In the finder, set the display mode to list
Command-3 (display menu): In the finder, set the display mode to Column
Command-B (display menu): Hide the toolbar in the Finder
Command-J (display menu): view the display in the Finder
Command-[(go to menu): In the finder, display the content in the most recently viewed window.
Command-] (go to menu): display the content forward to a recently viewed window in the Finder
Shift-command-C (go to menu): display the "computer" window in the Finder
Shift-command-H (go to menu): The "personal" window is displayed in the finder.
Shift-command-I (go to menu): Display idisk content in the Finder
Shift-command-A (go to menu): display the application folder in the Finder
Shift-command-F (go to menu): displays "Preference items" in the Finder 」
Shift-command-g (go to menu): Go to folder in Finder
Command-K (go to menu): connect to the server in the Finder
Command-M (go to menu): Zoom out the window to the dock
Option-command-M (go to menu): Zoom out all windows to the dock
Command -? (Help menu): Open Help Materials
Command-space (spotlight menu): Activate and use spotlight (limited to Mac OS x v10.4 and updated OS software)
Universal assistance and voiceover
Option-command-8: Enable the zoom-in Function
Option-command-+ (plus sign): Zoom in
Option-command-(minus sign): Zoom out
Control-Option-command-8: black and white characters are enabled.
Control-F1: enable full keyboard control (you can use shortcuts next to the List)
Control-F2: full keyboard control: Selected menu
Control-F3: full keyboard control: Selected dock
Control-F4: full keyboard control: select the current window or the next window behind it
Control-F5: full keyboard control: Selected Toolbar
Control-F6: full keyboard control: Selected helper window
Command-F5 or fn-Command-F5: on Mac OS x v10.4 or update OS software, turn on or off voiceover
Control-Option-F8 or fn-Control-Option-F8: Enable the voiceover utility in Mac OS X v10.4 or later
Control-Option-F7 or fn-Control-Option-F7: displays the voiceover menu in Mac OS X v10.4 or later
Control-Option-; or FN-control-Option-;: activate or disable the voiceover control-option lock on Mac OS X v10.4 or later.
When the full keyboard control function is enabled, you can use the following digital keyboard buttons. If this keyboard is not available, press the FN function key at the same time:
8: Move Up
2: Move down
4: Move to the left
6: Move to the right
1, 3, 7, and 9: Moving in Oblique direction
5: click the mouse button once.
0: click the mouse button once.
. (Full stop): 0. Press this button to unlock the mouse and press the lock button.

Other commands
Option-command-D: show or hide the dock
Command-Tab: Change the application
Tab: select the next project
Command-Up Arrow: Move to the up folder
Command-Down Arrow: Move to the down folder
Page up or control-Up Arrow: Move a page up
Page down or control-Down Arrow: Move a page down
Press the mouse button and drag the project to press option: Create a copy in the new position
When you press and drag a project, press option-command to create a replacement in a new position.
When you press and drag a project, press command: move to a new location without creating a copy.
Shift-command-C: display the color option small window in the Application
Command-T: Small Window for displaying font options in the Application
Command-shift-3: capture the display content
Command-shift-3 and press control at a scheduled time to take the display content and place the image content in the cart (this shortcut key is not found in the original Apple text, which was discovered by Bei mai)
Command-shift-4: capture part of the selected display
Command-shift-4 and select timing. Press Control to take part of the selected display and place the image content in the cart.
Command-shift-4 and press the space button to take the display content of the selected window
Option-command-ESC: Force exit
Control-eject: displays the dialog box for selecting to re-enable the system, sleep, and shutdown. In the notebook, press the power button power switch button.
Control-command-eject: Close all applications and restart the system.
Option-command-eject or option-command-power switch button: enter sleep status, the box can be turned off in the notebook for the same purpose
When you press the button in the window toolbar, press command: cyclically select different display modes provided by this window. Different display modes can be displayed based on the finder or application.
Command-': In an application or finder that opens more than one window, cyclically select a window.
Function-delete (limited to laptops: PowerBook, iBook, MacBook, and MacBook Pro): The forward delete character, that is, the right rather than the left character in the text input.

Leopard shortcut
Quick browsing: select the file command-y or space to start. Press command-y or space or ESC to exit.
Full Screen quick browsing: select the file command-Option-y to start and press command-Option-y or ESC to exit.