totale 16
drwxr-xr-x  4 root root 4096 nov 15 09:28 .
drwxr-xr-x 23 root root 4096 nov 15 09:58 ..
drwxr-xr-x 16 casa casa 4096 nov 16 18:02 casa
drwxr-xr-x 33 casa casa 4096 nov 11 19:01 christian