tldr/pages/common/lsof.md

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# lsof
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> Lists open files and the corresponding processes.
> Note: Root privileges (or sudo) is required to list files opened by others.
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- Find the processes that have a given file open:
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`lsof {{/path/to/file}}`
- Find the process that opened a local internet port:
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`lsof -i :{{port}}`
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- Only output the process ID (PID):
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`lsof -t {{/path/to/file}}`
- List files opened by the given user:
`lsof -u {{username}}`
- List files opened by the given command or process:
`lsof -c {{process_or_command_name}}`
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- List files opened by a specific process, given its PID:
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`lsof -p {{PID}}`