Lesson 15. Manage System Resources

Goals

  • Explore and understand macOS file layout

  • Discover common system files, their location, and their purpose

  • Describe System Integrity Protection

  • Manage font resources

The macOS system files are streamlined and organized in a layout that is easy to manage and that provides strong security. This lesson focuses on the composition and organization of the files and folders that make up macOS.

As covered in Reference 11.1, “File Systems,” macOS Catalina uses a read-only APFS System volume to protect macOS system software. The read-write APFS Data volume is usually named “Macintosh HD - Data” and is mounted at /System/Volumes/Data in a way that preserves the appearance of a single volume. macOS uses ...

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