macOS

Auto App Opening

  • Turn off DVDs opening DVD app: System Preferences > CDs & DVDs

Keyboard

  • System Settings > Keyboard
    • Keyboard navigation: on
    • Text Input > Input Sources > Edit
      • Show inline predictive text: off
      • Add period with double-space: off
  • Full keyboard access (accessibility setting): System Settings > Accessibility > Keyboard > Full keyboard access

Disabling Delay Saving Screenshot

  • Press Command + Shift + 5 to open the screenshot interface.
  • Click the Options drop down.
  • Uncheck the Show Floating Thumbnail option

Disabling Phone Calls on Computers

  • Open FaceTime on Mac
  • Go to Settings
  • Uncheck Calls from iPhone

Disable Note Corner

  • System Settings > Desktop & Dock > Mission Control > Hot Corners > turn off

Finder Sidebar

  • Finder > Preferences > Sidebar

Screenshots

  • Full screen: Cmd-Shift-3
  • Draw a rectangle: Cmd-Shift-4
    • Go to clipboard: add Ctrl
    • Window: space, then click
    • Window with no shadow: space, then option-click
  • Screen capture, draw a rectangle: Cmd-Shift-5

Flush DNS

$ sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder