tldr/pages/linux/fuser.md

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# fuser
> Display process IDs currently using files or sockets.
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- Find which processes are accessing a file or directory:
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`fuser {{path/to/file_or_directory}}`
- Show more fields (`USER`, `PID`, `ACCESS` and `COMMAND`):
`fuser --verbose {{path/to/file_or_directory}}`
- Identify processes using a TCP socket:
`fuser --namespace tcp {{port}}`
- Kill all processes accessing a file or directory (sends the `SIGKILL` signal):
`fuser --kill {{path/to/file_or_directory}}`
- Find which processes are accessing the filesystem containing a specific file or directory:
`fuser --mount {{path/to/file_or_directory}}`