lsof

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wikipedia:lsof[1] list open files and network connections.


Basic commands[edit]

  • lsof /path/to/file or lsof /path/to/dir or lsof /dev/sdc1
  • lsof -t /path/to/file
-t terse output with process identifiers only and no header

Files related[edit]

List all open files by a specific process:

Network related[edit]

Open TCP ports:

Open UDP ports:

  • lsof -iUDP -P -n
  • macOS: sudo lsof -iTCP -sTCP:LISTEN -n -P

Related commands[edit]

Activities[edit]

  1. Read lsof questions on StackExchange: https://unix.stackexchange.com/questions/tagged/lsof?tab=Votes
  2. Review further examples in https://www.thegeekstuff.com/2012/08/lsof-command-examples/
  3. Read https://www.akadia.com/services/lsof_quickstart.txt

See also[edit]

  • http://man7.org/linux/man-pages/man8/lsof.8.html
  • https://www.thegeekstuff.com/2012/08/lsof-command-examples/
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