tldr/pages/common/lsof.md

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# lsof
> Lists open files and the corresponding processes.
> Note: In most cases, you need root privilege (or use sudo) because you want to list files opened by others.
- Find the processes that have a given file open:
`lsof {{/path/to/file}}`
- Find the process that opened a local internet port:
`lsof -i :{{port}}`
- Only output the process PI:
`lsof -t {{/path/to/file}}`
- List files opened by the given use:
`lsof -u {{username}}`
- List files opened by the given command or proces:
`lsof -c {{process_or_command_name}}`