fuser

Display process IDs currently using files or sockets.

=> More information.

• Find which processes are accessing a file or directory:

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}

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