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Mac OS System Preferences Overview

Jun 11, 2025

Overview

This lecture covers the main configuration options available in Mac OS System Preferences, including display, network, privacy, accessibility, and backup settings.

System Preferences Overview

  • System Preferences in Mac OS is the main location for configuring operating system settings.
  • It is similar in function to the Windows Control Panel.

Display Preferences

  • Display preferences manage settings for all monitors connected to the Mac.
  • Users can arrange monitors, move menus between screens, and set resolutions and brightness.
  • Detailed color grading options are available for each monitor.

Network Settings

  • Mac OS network options cover both wired and wireless configurations.
  • Users can set IP addresses manually or use DHCP for automatic assignment.
  • Advanced settings include DNS, 802.1x authentication, proxies, and hardware configurations.
  • Ethernet adapter settings allow modifications to TCP/IP, DNS, and proxy information.

Printers and Scanners

  • Mac OS allows configuration for network and locally connected printers.
  • Printers can be shared with others or have permissions modified.
  • Users can check printer queues, view required supplies, and monitor toner or ink levels.

Privacy and Security Settings

  • Users control what data and services applications can access, such as location or files.
  • Software requests permission for access to sensitive resources like the microphone or camera.
  • Permissions can be granted or denied for each application, enhancing privacy.

Accessibility Options

  • Accessibility settings adjust how the system displays and communicates information for users with special needs.
  • Features include visual, audio, and input modifications.
  • Third-party accessibility apps may require extra permissions, which can be managed here.
  • Each accessibility sub-category (e.g., zoom) offers specific settings, like zoom shortcuts and gestures.

Time Machine Backups

  • Time Machine settings can be configured for backup storage drives, both local and networked.
  • Automatic hourly, daily, and weekly backups are created and managed.
  • The system deletes oldest backups as space runs out to continue saving new data.

Key Terms & Definitions

  • System Preferences — The configuration center for Mac OS system settings.
  • DHCP — Dynamic Host Configuration Protocol, automatically assigns IP addresses.
  • 802.1x Authentication — A network protocol for secure access control.
  • Time Machine — Mac OS's built-in backup utility.
  • Accessibility — Features to make the system usable for people with disabilities.

Action Items / Next Steps

  • Review and adjust your Mac OS System Preferences for display, network, printer, privacy, and backup settings as needed.