top

Display dynamic real-time information about running processes. More information: https://manned.org/top.

• Start top:
  top
• Do not show any idle or zombie processes:
  top -i
• Show only processes owned by given user:
  top -u {{username}}
• Sort processes by a field:
  top -o {{field_name}}
• Show the individual threads of a given process:
  top -Hp {{process_id}}
• Show only the processes with the given PID(s), passed as a comma-separated list. (Normally you wouldn't know PIDs off hand. This example picks the PIDs from the process name):
  top -p $(pgrep -d ',' {{process_name}})
• Get help about interactive commands:
  ?