tldr/pages/linux/top.md

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# 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}})`
- Display help about interactive commands:
`?`