- Although all previous versions of macOS have a version number that starts with “10.” (for example, macOS 10.0 through macOS 10.15), macOS Big Sur uses “11.” to start its version numbers. This list summarizes the differences between updating, upgrading, reinstalling, and installing a Mac operating system.
- This is the official book for the macOS Support Essentials 10.15 course and you can use it to prepare for the Apple Certified Support Professional (ACSP) 10.15 exam. It’s a top-notch primer for anyone who needs to support, troubleshoot, or optimize macOS Catalina, such as IT professionals, technicians, help desk specialists, and ardent Mac users.
Course Description. MacOS Support Essentials 10.15 is a three-day course that teaches the best ways to support macOS Catalina users. The course includes lectures, demonstrations, group discussions, and hands-on exercises that provide real-world experience.
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- Installation and Configuration
- Participants learn to update, upgrade, and reinstall macOS Catalina, then set up and configure macOS on an individual Mac.
Participants are introduced to the command-line interface and macOS Recovery. - User Accounts
- Participants learn to manage user accounts and user home folders. They also learn about macOS security and password management.
- File Systems and Storage
- Participants learn to manage file systems, storage, encryption, permissions and file sharing.
- Data Management
- Participants use hidden items, shortcuts, file archives, metadata, and Spotlight. They also learn to manage system resources and Time Machine.
- Apps and Processes
- Participants install, manage, and troubleshoot apps, and manage documents.
- Network Configuration
- Participants manage basic and advanced network settings and troubleshoot network issues.
- Network Services
- Participants manage network services, host sharing, and a personal firewall.
- System Management
- Participants manage printers and scanners, then troubleshoot peripherals, startup and other system issues.