The quick Command+Option+Esc keyboard shortcut gives you access to a list of running apps and lets you force-quit the if necessary. You can force-quit several apps as well, or use this as a quick app switcher. There are also other ways to force-quit apps, though in normal use you should always try to quit an app normally.
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▶ Watch more videos about related subjects: Finder (333 videos).




Good video, nice and concise, you're a good teacher :)
Nice video. I did not know about selecting multiple applications in the Force Quit dialog box or the methods in the Dock.