Running Activity Monitor in Mac OS X works a little differently. Simply use the keyboard shortcut Ctrl + Alt + Del, Ctrl + Shift + Escape, or right-click on the menu bar and select “ Start Task Manager.” Read Article: 8 Useful Mac Shortcuts You Must Know How To Open Task Manager Mac Within Task Manager, you can also view CPU You can easy to view, manage and close any active processes that are running in Mac OS X.
View the energy impact of each application.Monitor CPU usage to see the percentage of CPU capacity that each application takes up.
