$ ll /etc/apt/sources.list.d
total 12
drwxr-xr-x 2 root root 4096 Mar  4 22:52 ./
drwxr-xr-x 6 root root 4096 Mar  4 22:52 ../
-rw-r--r-- 1 root root  176 Mar  4 22:52 google-chrome.list