:~$ ls -laR /etc/apt/sources.list.d
/etc/apt/sources.list.d:
insgesamt 44
drwxr-xr-x 2 root root 4096 Aug 5 18:14 .
drwxr-xr-x 6 root root 4096 Aug 5 16:51 ..
-rw-r--r-- 1 root root 57 Aug 5 18:14 getdeb.list
-rw-r--r-- 1 root root 57 Aug 5 16:44 getdeb.list.save
-rw-r--r-- 1 root root 130 Aug 5 18:14 mars-core-ppa-precise.list
-rw-r--r-- 1 root root 130 Aug 5 16:44 mars-core-ppa-precise.list.save
-rw-r--r-- 1 root root 58 Aug 5 18:14 playdeb.list
-rw-r--r-- 1 root root 58 Aug 5 16:44 playdeb.list.save
-rw-r--r-- 1 root root 45 Aug 5 18:14 playonlinux.list
-rw-r--r-- 1 root root 82 Aug 5 18:14 precise-partner.list
-rw-r--r-- 1 root root 130 Aug 5 18:14 tualatrix-ppa-precise.list