/etc/apt/sources.list
/etc/apt/sources.list.d/alsa.list
/etc/apt/sources.list.d/backports.list
/etc/apt/sources.list.d/digikam.list
/etc/apt/sources.list.d/lenny.list
/etc/apt/sources.list.d/multimedia.list
/etc/apt/sources.list.d/openchrome.list
/etc/apt/sources.list.d/pptp.list
/etc/apt/sources.list.d/sid.list
/etc/apt/sources.list.d/skype.list
/etc/apt/sources.list.d/wine.list
/etc/apt/sources.list.d/wx.list