TLDR
Enter a command. For example: sensible editor, dmesg, pinout.

fuser

 
Display process IDs currently using files or sockets. More information: https://manned.org/fuser.
 
  • 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}}

This is a tldr pages (source, CC BY 4.0) web wrapper for cheat-sheets.org. All commands, popular commands, most used linux commands. Referrals. Progressive Web Application (PWA) version to install on your device.