Installation and Configuration
- Update, Upgrade, and Reinstall macOS High Sierra
- Set Up and Configure macOS
- Use the Command-Line Interface
- Use macOS Recovery
User Accounts
- Manage User Accounts
- Manage User Home Folders
- Manage macOS Security
- Manage Password Changes with Keychain Access
File Systems and Storage
- Manage File Systems and Storage
- Manage Encryption with FileVault
- Manage Permissions and Sharing
Data Management
- Use Hidden Items, Shortcuts, and File Archives
- Manage System Resources
- Use Metadata and Spotlight
- Manage Time Machine
Apps and Processes
- Install Apps
- Manage Documents
- Manage and Troubleshoot Apps
Network Configuration
- Manage Basic Network Settings
- Manage Advanced Network Settings
- Troubleshoot Network Issues
Network Services
- Manage Network Services
- Manage Host Sharing and the Personal Firewall
System Management
- Troubleshoot Peripherals
- Manage Printers and Scanners
- Troubleshoot Startup and System Issues