How to cancel the startup sound on mac computer

macOS is suitable for valuing user experience and hardware and software integration, while Linux is suitable for requiring high customizability and flexibility. macOS is simple and easy to use, seamlessly integrated with Apple products; Linux is open source, adapted to various environments, and has rich community resources.

Use the command line tool "sw_vers-productVersion" to identify the latest system version on macOS. 1. Open the terminal and enter the command to get the version number. 2. This command can be used in the script for version comparison and operation. 3. If you need optimization, you can use the "defaultsread" command to read the system file to obtain version information.

To develop macOS applications, you need to use Swift and Xcode. 1. Install Xcode and create a new project. 2. Use InterfaceBuilder to design the interface. 3. Write logical code in Swift file. 4. Utilize advanced features such as protocols and generic optimization code. 5. Use debugging tools to resolve common errors. 6. Optimize performance through asynchronous processing.

The design philosophy of macOS is simplicity, user-centered and highly personalized. 1) The simple user interface allows users to quickly find the functions they need; 2) The user-centric design improves the interactive experience; 3) Personalized settings allow the system to be tailored to users; 4) Excellent performance and stability ensure smooth operation of the system; 5) Hidden functions such as shortcut commands and air-to-air playback improve work efficiency.

macOSSonoma is the latest operating system version released by Apple in 2023. 1. It enhances the user experience through new features such as desktop widgets. 2. Rely on the SwiftUI framework to implement these functions. 3. The basic usage includes adding widgets. 4. Advanced usage such as using Automator to create workflows. 5. Common error handling includes checking system resources. 6. Performance optimization is recommended to clean the cache regularly.

Open a file in a macOS terminal: Open the terminal to navigate to the file directory: cd ~/Desktop Use open command: open test.txtOther options: Use the -a option to specify that a specific application uses the -R option to display files only in Finder

There are four screenshot methods on macOS: shortcut keys, touch bars, preview apps, and third-party apps. After the screenshot, the image will be automatically saved to PNG format on the desktop, and you can adjust the format, delay, save position, and floating thumbnail settings through System Preferences.

macOS has a built-in "Screen Recording" application that can be used to record screen videos. Steps: 1. Start the application; 2. Select the recording range (the entire screen or a specific application); 3. Enable/disable the microphone; 4. Click the "Record" button; 5. Click the "Stop" button to complete. Save the recording file in .mov format in the "Movies" folder.