Use Activity Monitor on macOS

Mac Tutorials - Herong's Tutorial Examples

∟Use Activity Monitor on macOS

This section describes Activity Monitor, which allows you to view all running processes and their resource usages, including CPU, Memory, Energy, Disks, and Network.

What Is Activity Monitor? - Activity Monitor is a utility on macOS computers which allows you to view all running processes on the system and their usages on system resources, including CPU, Memory, Energy, Disks, and Network.

Activity Monitor also allows you to inspect each running process, including gather its statistic information, sampling its threads, and listing its input/output and network interfaces.

You can also interrupt and terminate any running processes.

Here are examples of using Activity Monitor on macOS computers.

1. Starting Activity Monitor: Click "Launchpad > Other > Activity Monitor".

2. Finding which process uses the most CPU: Start Activity Monitor, Open "CPU" tab, and click "% CPU" column to sort CPU usage.

3. Finding which process uses the most memory: Start Activity Monitor, Open "Memory" tab, and click "% Memory" column to sort memory usage.

4. Terminating a running process. Start Activity Monitor, Select the process from the process list, and click "x" icon to terminate the selected process.

5. Sampling a running process. Start Activity Monitor, Select the process from the process list, and click "i" icon to open the process details screen.