OS X's task manager utility application. It is used to perform different tasks on computer processes, as well as monitor system resource usage.

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8
votes
1answer
2k views

What's the racoon doing in my apple?

I'm not normally one for paraniodly checking my activity monitor for rogue processes; but this one just has my internal nature-watcher all curious. Why is there a racoon running under my root user? ...
6
votes
3answers
2k views

MacBook Running Really Slow, Activity Monitor Reports HUGE VM

My MacBook is running really really slow at the moment, I have quit loads of processes (but activity monitor only reported about 10% cpu usage anyway). I had just noticed I have a VM Size of 250GB! ...
10
votes
6answers
38k views

Is there a keyboard shortcut for launching Activity Monitor?

I can't seem to find a shortcut for launching the activity monitor. Does it have one?
34
votes
3answers
18k views

What's the difference between Real, Virtual, Shared, and Private Memory?

The different columns in Activity Monitor are a little confusing
9
votes
1answer
3k views

What does it mean when a %CPU exceeds (# of cores) x 100%?

Several responses to a question I asked earlier suggested I try Opera kiosk mode, so I decided to download it and give it a try. Once the download had completed and the disk image was being verified, ...