ls -al /etc/apt/sources.list.d/
total 60
drwxr-xr-x 2 root root 4096 Dec 20 23:39 .
drwxr-xr-x 6 root root 4096 Dec 20 23:31 ..
-rw-r--r-- 1 root root  189 Sep  7 01:15 google-chrome.list
-rw-r--r-- 1 root root  189 Sep  7 01:15 google-chrome.list.save
-rw-r--r-- 1 root root  175 Sep  7 01:15 google-earth.list
-rw-r--r-- 1 root root  175 Sep  7 01:15 google-earth.list.save
-rw-r--r-- 1 root root  154 Sep  7 01:15 happy-neko-ps3mediaserver-trusty.list
-rw-r--r-- 1 root root  154 Sep  7 01:15 happy-neko-ps3mediaserver-trusty.list.save
-rw-r--r-- 1 root root  134 Sep  7 01:15 libretro-stable-trusty.list
-rw-r--r-- 1 root root  134 Sep  7 01:15 libretro-stable-trusty.list.save
-rw-r--r-- 1 root root  130 Sep  7 01:15 noobslab-apps-trusty.list
-rw-r--r-- 1 root root  165 Sep  7 01:15 private-ppa.launchpad.net_commercial-ppa-uploaders_youtube-to-mp3_ubuntu.list
-rw-r--r-- 1 root root  165 Sep  7 01:15 private-ppa.launchpad.net_commercial-ppa-uploaders_youtube-to-mp3_ubuntu.list.save
-rw-r--r-- 1 root root   50 Dec 20 23:39 spotfiy.list
-rw-r--r-- 1 root root  234 Dec 20 23:38 spotify.list