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# Chapter Summary (1 of 3) * macOS is used only for Macintosh computers by Apple Inc. * The dock appears at the bottom of the desktop * Important macOS tools used to manage and support a Mac include: Finder, Launchpad, the Apple menu, System Preferences, Spotlight, Mission Control, Keychain, Screen...

# Chapter Summary (1 of 3) * macOS is used only for Macintosh computers by Apple Inc. * The dock appears at the bottom of the desktop * Important macOS tools used to manage and support a Mac include: Finder, Launchpad, the Apple menu, System Preferences, Spotlight, Mission Control, Keychain, Screen Sharing, Remote Disc, Terminal, and gestures on a trackpad * macOS updates often address zero-day vulnerabilities * Time Machine is a built-in backup utility that automatically backs up user-created data, applications, and system files * First Aid Disk Utility can scan and repair file system errors on a hard drive * Tools to fix macOS startup problems include: Safe Mode, macOS Recovery, Startup Manager, and NetBoot