mark@mark-Aspire-V5-571G:~$ ls -hal /etc/apt/sources.list.d/
totale 8,0K
drwxr-xr-x 2 root root 4,0K gen 31 17:25 .
drwxr-xr-x 6 root root 4,0K gen 27 22:40 ..
mark@mark-Aspire-V5-571G:~$