For power users and troubleshooters on macOS, the is arguably the most critical utility on the system. It is the equivalent of Windows Task Manager, allowing you to view CPU usage, memory pressure, energy consumption, and force quit unresponsive applications.
| Shortcut | Action | |----------|--------| | Cmd + 0 | Reset columns to default | | Cmd + Shift + 3 | Take screenshot of Activity Monitor (system-wide) | | Cmd + Shift + 4 then space → click window | Capture just the Activity Monitor window | | Cmd + M | Minimize window | | Cmd + H | Hide Activity Monitor | | Cmd + Q | Quit Activity Monitor | activity monitor shortcut hot