ania@ania-PC:~$ sudo lsof | grep /ścieżka/bezwzędna/do/katalogu
[sudo] password for ania:
lsof: WARNING: can't stat() fuse.gvfsd-fuse file system /run/user/1001/gvfs
      Output information may be incomplete.
lsof: WARNING: can't stat() fuse.gvfsd-fuse file system /run/user/1000/gvfs
      Output information may be incomplete.