ps

Information about running processes. More information: https://www.unix.com/man-page/osx/1/ps/.

• List all running processes:
  ps aux
• List all running processes including the full command string:
  ps auxww
• Search for a process that matches a string:
  ps aux | grep {{string}}
• Get the parent PID of a process:
  ps -o ppid= -p {{pid}}
• Sort processes by memory usage:
  ps -m
• Sort processes by CPU usage:
  ps -r