lsfd

List open files and the corresponding processes in Linux. More information: https://manned.org/lsfd.

• List all open file descriptors:

lsfd

• List all files kept open by a specific program:

lsfd {{[-Q|--filter]}} 'PID == {{process_ID}}'

• Check what program has a specific file open:

lsfd {{[-Q|--filter]}} "NAME == '{{path/to/file}}'"

• List open IPv4 or IPv6 sockets:

lsfd {{-i4|-i6}}

• Display help:

lsfd {{[-h|--help]}}