ozstriker@Arkanos:~$ ls/etc/apt/sorces.list.d
bash: ls/etc/apt/sorces.list.d: File o directory non esistente
ozstriker@Arkanos:~$ ls etc/apt/ls /etc/apt/sources.list.d 
ls: impossibile accedere a 'etc/apt/ls': File o directory non esistente
/etc/apt/sources.list.d:
libreoffice-ubuntu-libreoffice-5-1-xenial.list
libreoffice-ubuntu-libreoffice-5-1-xenial.list.save
libreoffice-ubuntu-libreoffice-5-3-xenial.list
libreoffice-ubuntu-libreoffice-5-3-xenial.list.save
libreoffice-ubuntu-ppa-xenial.list
libreoffice-ubuntu-ppa-xenial.list.distUpgrade
libreoffice-ubuntu-ppa-xenial.list.save
mono-xamarin.list
mono-xamarin.list.distUpgrade
mono-xamarin.list.save
mozillateam-ubuntu-firefox-next-utopic.list
mozillateam-ubuntu-firefox-next-utopic.list.save
ubuntu-audio-dev-ubuntu-ppa-xenial.list
ubuntu-audio-dev-ubuntu-ppa-xenial.list.distUpgrade
ubuntu-audio-dev-ubuntu-ppa-xenial.list.save
ubuntu-mozilla-daily-ubuntu-ppa-utopic.list
ubuntu-mozilla-daily-ubuntu-ppa-utopic.list.save
ubuntu-mozilla-security-ubuntu-ppa-utopic.list
ubuntu-mozilla-security-ubuntu-ppa-utopic.list.distUpgrade
ubuntu-mozilla-security-ubuntu-ppa-utopic.list.save
ubuntu-x-swat-ubuntu-x-updates-utopic.list
ubuntu-x-swat-ubuntu-x-updates-utopic.list.distUpgrade
ubuntu-x-swat-ubuntu-x-updates-utopic.list.save
webupd8team-ubuntu-java-utopic.list
webupd8team-ubuntu-java-utopic.list.distUpgrade
webupd8team-ubuntu-java-utopic.list.save
ozstriker@Arkanos:~$