Macnifying OS X: Learning To Utilize Activity Monitor on Mac
But first, how would you know if an system has hung? The three cardinal symptoms are the spinning beach ball, increased CPU usage and systemic unresponsiveness. So the first option when faced with a frozen or unresponsive utility is to kill it. Not literally, of course! We can make a run at kill or “terminate” the program. Usually, by forcing an software to quit, we lose any unsaved work. Waiting for the program to resolve itself is a better alternative if you could afford the time....