various macOS functions when you move the cursor into a screen corner. The first option is Start Screen Saver, and is a very quick means of activating the screen saver. This can be especially useful if you’ve also used the Security & Privacy pane to demand a password be entered to exit the screen saver. It’s also possible to install third-party screen savers. Once installed, these appear below the built-in options. If you later decide you want to delete a screen saver, Ctrl-click it and select Delete.
Change the Dock Many of the Dock’s preferences can be adjusted by Crl-clicking the thin line that divides apps and JANUARY 2017 • MACWORLD 41 MWJAN17.indd 41