system activity

Many Mac users like to keep a watchful eye on their system stats, including processor utilization, memory usage, disk activity, network usage, CPU temperature, fan speed, and perhaps battery stats. The Activity Monitor Dock icon offers one way to do this, but it’s on a limited basis, so if you’d rather see all kinds of … Read More

Activity Monitor can be used for more than just managing tasks and killing processes, it can also turn the Mac OS X Dock into a live system monitor where you can keep an eye on processor usage, CPU history, network activity, disk activity, or RAM use.

You can display and monitor virtually all essential system activity directly from your Mac OS X menu bar using a great utility called iStat Menu: