/etc/apt/sources.list.d:
  total used in directory 100 available 211822500
  drwxr-xr-x 2 root root 4096 Apr 24 21:27 .
  drwxr-xr-x 6 root root 4096 Mar  7 14:15 ..
  -rw-r--r-- 1 root root  278 Apr 24 21:27 bumblebee-ubuntu-stable-xenial.list
  -rw-r--r-- 1 root root  278 Apr 24 21:27 bumblebee-ubuntu-stable-xenial.list.save
  -rw-r--r-- 1 root root  142 Apr 24 21:27 fontforge-ubuntu-fontforge-xenial.list
  -rw-r--r-- 1 root root  142 Apr 24 21:27 fontforge-ubuntu-fontforge-xenial.list.save
  -rw-r--r-- 1 root root  144 Apr 24 21:27 graphics-drivers-ubuntu-ppa-xenial.list
  -rw-r--r-- 1 root root  144 Apr 24 21:27 graphics-drivers-ubuntu-ppa-xenial.list.save
  -rw-r--r-- 1 root root  132 Apr 24 21:27 kivy-team-ubuntu-kivy-xenial.list
  -rw-r--r-- 1 root root  132 Apr 24 21:27 kivy-team-ubuntu-kivy-xenial.list.save
  -rw-r--r-- 1 root root  142 Apr 24 21:27 slgobinath-ubuntu-safeeyes-xenial.list
  -rw-r--r-- 1 root root  142 Apr 24 21:27 slgobinath-ubuntu-safeeyes-xenial.list.save
  -rw-r--r-- 1 root root   50 Apr 24 21:27 spotify.list
  -rw-r--r-- 1 root root   50 Apr 24 21:27 spotify.list.save
  -rw-r--r-- 1 root root  148 Apr 24 21:27 steam.list
  -rw-r--r-- 1 root root  148 Apr 24 21:27 steam.list.save
  -rw-r--r-- 1 root root  146 Apr 24 21:27 texlive-backports-ubuntu-ppa-xenial.list
  -rw-r--r-- 1 root root  146 Apr 24 21:27 texlive-backports-ubuntu-ppa-xenial.list.save
  -rw-r--r-- 1 root root  173 Apr 26 11:04 vivaldi.list
  -rw-r--r-- 1 root root  173 Apr 24 21:27 vivaldi.list.save
  -rw-r--r-- 1 root root  136 Apr 24 21:27 webupd8team-ubuntu-atom-xenial.list
  -rw-r--r-- 1 root root  136 Apr 24 21:27 webupd8team-ubuntu-atom-xenial.list.save
  -rw-r--r-- 1 root root  144 Apr 24 21:27 webupd8team-ubuntu-haguichi-xenial.list
  -rw-r--r-- 1 root root  144 Apr 24 21:27 webupd8team-ubuntu-haguichi-xenial.list.save
  -rw-r--r-- 1 root root  134 Apr 24 21:27 xorg-edgers-ubuntu-ppa-xenial.list