Six tips for exiting apps on OS X platform

Press and hold the shortcut key: Command+option+shift+esc A or two seconds force exit the app that the foreground is running.

Bring up the Force Quit application window

Through the shortcut key: Command+option+esc call up the system "Force quit the Application" window, and then select the name of the app you want to quit, click the "Force Exit" button.

Force quit an app from the Dock bar

Hold the Option key and right-click the Dock Bar app icon and click the "Force Quit" option that appears. (This can also be done by clicking the button first)

Force quit an app from the Apple menu

Press and hold the Shfit key and click the Apple icon in the System menu bar of , click "Force quit [app name]".

Using Activity Monitor

Run Activity Monitor, select the process name or ID of the app that you want to force quit, and then tap quit process. (normally unresponsive app processes are labeled red)

Using the terminal KILL command

If the above 5 methods fail, you might want to try the Kill: Terminal KILL command!

Killall [process name]

KILL-9 [process id]

Welfare one: Force quit IOS App

It's easy to force quit IOS apps! Press and hold the Power key until the Shutdown slider appears, and then press and hold the Home key until the app exits.