You can see stats of each process in detail - Process Name, %CPU utilization, CPU time, Threads, Idle Wake Ups, PID and User. It is also one of the most preferred way to force close an application though the User Interfaces available on macOS (and most powerful one) This will close the current application that you are working with. But in a severe system crash, even this option might not appear.Click on the Apple logo on the top right side of your Menu bar and Select "Force Quit (App name)". Holding the button down for longer will give you a dialog box with various options such as Restart, Sleep, or Shut Down. The system then usually responds by putting the machine to sleep. Normally when you press the power button a message is sent to your system telling it that you want to close it down. Should you be faced with an unresopnsive Mac due to an app that won’t force quit the only option left to you is to hold down the power button on your Mac for several seconds. We offer moreĪdvice about what to do if your Mac is frozen in a separate article as there can, of course, be a number of reasons why your Mac is frozen. While these cases are rare, they do happen. Sometimes an app can get into trouble and cause your entire system to freeze.