% ls -l /etc/apt/sources.list.d/
total 20
-rw-r--r-- 1 root root 126 Jun 12  2014 relan-exfat-precise.list
-rw-r--r-- 1 root root 126 Jun 12  2014 relan-exfat-precise.list.save
-rw-r--r-- 1 root root 158 Jun 12  2014 stebbins-handbrake-releases-precise.list
-rw-r--r-- 1 root root  58 Apr 25  2013 tk-main.list
-rw-r--r-- 1 root root  62 Apr 25  2013 tk-optional.list