1. Quickly hide and show the Dock
Use the shortcut Command + Option + D，Easily hide or show the application icon bar below the desktop。
2. Invert screen colors
Use the shortcut Command + Option + Control + 8，Switch the screen's color for a better nighttime experience or to accommodate visually impaired users。
3. Quickly view and manage running applications
Hold down the Command key and click the Tab key，Ability to quickly scroll through currently running applications。at the same time，Use Command + Q Quickly exit the current application，Use Command + H Minimize application window。
4. Make Apple Logo
Hold Option in any application + Shift + K，You can type Apple Logo characters。
5. Quickly manage the trash
Use Command + Delete moves the file to the trash，Use Shift + Command + Delete Empty the files in the trash。
6. View folder properties
Use the shortcut Command + I，Quickly view the properties of a file or folder。
7. Use your Mac as a USB hard drive
Press and hold the T key when booting，Put your Mac device into target disk mode，Via USB connection you can use it as an external USB hard drive。
8. Turn on stealth mode
In the notification options in system preferences，Do not disturb mode can be set，Prevent notifications from interrupting you while presenting or working，Make sure you stay focused on your work。
These features not only improve the operating efficiency of Mac，It also provides users with a more convenient and personalized experience。
