How To Kill App In Mac
Sometimes it’s’ necessary for us to force-close an app on our Mac if it’s no longer responding to our commands. Usually we’d do that by pressing CMD+OPT+ESCAPE, which brings up a handy window from which we can choose a troublesome app.
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Try using the Terminal & Kill command. If that doesn't work,you can try using the command line as a surefire way to force an app or process to quit by issuing the low-level kill command. Launch the Terminal and type the following command: killall processname. This entry was posted in Code Life and tagged Kill a port, Mac, terminal, web, web development on September 26, 2014 by cheonhyang. Post navigation ← Bootstrap UI datepicker only open once. Not shown up the second time. Google App Engine: How to select entity by key in Datastore Viewer →.
But sometimes, this keyboard combination won’t work – for example, if we’re dealing with a remote Mac to which no physical keyboard is attached. In such cases, we can choose to force-close an app via the command line. Let me show you how to do that.
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Connect to your Mac via SSH using a Terminal Session and find out what apps are currently running. We’ll so that with the top command:
Using the -u switch tells top to list the app with the highest CPU usage over time first. The command will display a list of running processes, much like this:
Take a look at the list and make a note of the troublesome app. In my case it’s Carrara, using 165% of my CPUs resources. By definition impossible, but let’s not worry about that. The important thing is this app’s PID (Process ID). Write it down or take a screenshot, we’ll need it in amount to kill the app (mine is 5964).
Press CTRL+C to stop top and return to the command line. Now issue the following command, replacing 5964 with your own PID:
And that’s it: the troublesome app has been force-closed and should vacate your system sharpishly. For more information on both top and kill, check out their respective man pages on your Mac.
How To Kill App Mac Terminal
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A guide that contains six useful methods to use built-in tools on Mac OS X to force quit Mac applications.
Sometimes, you open an application on your Mac computer, and somehow, it doesn’t respond to any of your actions, then it’s time to force quit that application. But do you know how to force quit a program in Mac?
Whatever your skill level is, just remember these simple ways, and you will be able to force quit apps on your Mac easily. In this article, I will cover six best ways to force quit applications on your Mac computer. These ways will work in all versions of Mac OS X.
Six Ways To Learn How To Force Quit Mac Programs
I have collected these useful ways from Internet and make this article to help you find out how to force quit an application in Mac OS X, with keyboard shortcuts, your mouse, Apple’s menu or Terminal.
After reading this guide, if you have found any better and faster solution to force applications to stop on Mac OS X, let me know by dropping a comment below or use the contact form. I will update this guide to make it more helpful.

Force Quit Mac Apps With Force Quit Applications
It’s the first method that’s easy to use to force quit programs with a few simple steps:
- Press Command + Option + Esc key to launch “Force Quit Applications”.
- Select the program that does not respond to your action from the list.
- Click on the “Force Quit” button.
- The program will be ended immediately.
Force Quit Mac Applications

Force Quit An Active Mac App With Keyboard Shortcut
You can also force quit an active application on Mac by pressing and holding Command + Option + Shift + Esc key for a few seconds until the program forcibly close.
Force Quit A Program On Mac From Dock
Here is another simple way to close any unresponsive applications on Mac. You just need to do follow this instruction:
- Right-click on the app you want to quit on the dock (Mac’s dock), at the bottom of the screen.
- Press Alt (or Option) and then select “Force Quit” from the menu.
- The selected application will automatically be closed, without any alerts or confirmations.
Force Quit A Program On Mac From Menu
In order to force quit a program from Apple menu, press and hold Shift key on your keyboard, and then click on the Apple logo > Force Quit [Program Name]. For example: Force Quit Finder.
Force Quit Mac Apps With Activity Monitor
How To Kill App In Mac Download
To force quit any programs on your Mac computer, open Activity Monitor (also known as Task Manager Mac), select the program you want to close and click on the “Force Quit” button.
Kill A Running Application With Terminal
If you don’t like to use methods that are mentioned above (even though these ways are simpler), then open Terminal app (under Applications -> Utilities -> Terminal), and use any of two commands below:
- killall [processname]. For example: killall Finder, to force quit Finder.
- kill -9 [pid]. For example: kill -9 , to force quit Finder.
How To Kill App In Mac Os
I hope this article will help you to learn more about how to force quit Mac apps with shortcuts, as well as terminal commands. If you have any further questions, just leave your comment below.
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