To quit (close) a Mac app normally, choose Quit from the app's menu in the menu bar, or press Command (⌘)-Q. If the app doesn't quit, follow these steps to force the app to quit.

1. Close All Windows On Mac
2. How To Close All Apps At Once On A Mac

Jun 03, 2014  It often gets to the point where there are so many apps open, you can't even open another one. I can close all the apps fairly fast by swiping away for 30 seconds, but multiply that by 8 ipads (and daily), this turns into a big timesuck.

Close All Windows On Mac

• Normally, if you want to close all of the open apps on your Mac, you'd have to either quit them all one by one or restart, shut down, or log out while making sure to deselect “Reopen windows when logging back in.' The latter option is great, but it doesn't always work in Mac OS X, and what if you don't want to restart, shut down, or log out?
• Jun 10, 2020  Once quite a number of apps are opened in a session your phone battery keeps draining away and even your phone would slow down in its speed as numerous open apps are using your device’s memory. Here is the complete procedure to close the unwanted background applications running on your Android phone. Continue Reading.
• Jan 25, 2018  How to Force Quit Multiple Mac Apps Simultaneously. Exit the Force Quit Applications window by closing it as usual; Keep in mind that force quitting apps typically does not save any data in the app being closed, thus it has the potential to lead to.

How To Close All Apps At Once On A Mac

How to force an app to quit

1. Press these three keys together: Option, Command, and Esc (Escape). This is similar to pressing Control-Alt-Delete on a PC. Or choose Force Quit from the Apple () menu in the upper-left corner of your screen.
   
2. Select the app in the Force Quit window, then click Force Quit.
   

Learn more

• You can also force the Finder to quit, if it stops responding. Select Finder in the Force Quit window, then click Relaunch.
• If none of your apps are responding, you can force your Mac to restart.
• You can also force an app to close on your iPhone, iPad, or iPod touch.

I don't want any app to be open in the background. I am trying to address my battery drain and performance issues since this is one of the issues that lead to such Android phone issues. How can I close the Android apps that are running in the background of my Android phone?

Yes, it’s true! Apps running in background would lead to battery draining and other performance degradation issues on your Android phone. Actually in Android OS, once you launch an app, it will continue to run in the background, even after you’ve left it and moved on to other tasks. If not all but most of the Android apps have such functionality to run in background. Once quite a number of apps are opened in a session your phone battery keeps draining away and even your phone would slow down in its speed as numerous open apps are using your device’s memory.

Here is the complete procedure to close the unwanted background applications running on your Android phone. Continue Reading...

• Go to the Recent Applications Menu on your Android phone and Launch it. To get this menu on HTC - Tap the home button twice, on Samsung Galaxy S4 - just long press on the Samsung Galaxy S4’s physical button, and on Nexus 5 - you can just tap an on-screen button.
• In that menu, you will be able to find the applications that were run recently
• Then select the apps that are not needed and you want to close them from the list by scrolling up from the bottom
• Then just tap and hold on the application and swipe it to the right; doing this will kill the process from running and free up some RAM
• In case your phone is still running slow then just navigate Settings option in the phone and then to the Apps tab
  (Note: On Samsung phones, this menu is called “Application Manager”)
• Check out the apps that are still running by tapping on the Running tab
• Now, return to the “All apps” tab, and then scroll to the application(s) that are / is still running and just click on it.
• Now, tap “Force Stop” to kill the process

With this all your unwanted background apps running on your Android phone will be closed. However, this seems to be quite a tedious process and also this has to be regularly because as new apps are launched newer background apps will be begun. Instead you can just make use of an excellent app called Remo MORE that can easily terminate all the unwanted apps that are open in just one-click and enhance Android phone battery life. Moreover, it is a freeware and would terminate the apps automatically free up the device’s memory.