hp@Elitebook:~$ ls /etc/apt/sources.list.d
dropbox.list
ferramroberto-cdrtools-trusty.list
ferramroberto-cdrtools-trusty.list.save
freetuxtv-freetuxtv-dev-trusty.list
freetuxtv-freetuxtv-dev-trusty.list.save
google-chrome.list
google-chrome.list.save
jon-severinsson-ffmpeg-trusty.list
jon-severinsson-ffmpeg-trusty.list.save
langdalepl-gvfs-mtp-trusty.list
langdalepl-gvfs-mtp-trusty.list.save
nilarimogard-webupd8-trusty.list
nilarimogard-webupd8-trusty.list.save
shnatsel-zram-trusty.list
shnatsel-zram-trusty.list.save
sunab-kdenlive-release-trusty.list
sunab-kdenlive-release-trusty.list.save
webupd8team-y-ppa-manager-trusty.list
webupd8team-y-ppa-manager-trusty.list.save
hp@Elitebook:~$