mydebian:/home/nihil# cat /etc/apt/sources.list | grep -v ^# | grep -v ^$
deb http://security.debian.org/ testing/updates main contrib non-free
deb-src http://security.debian.org/ testing/updates main contrib
 #### testing  #########
deb http://ftp.psn.ru/debian/ testing contrib main non-free
deb-src http://ftp.psn.ru/debian/ testing contrib main non-free
 #### unstable #########
deb http://ftp.psn.ru/debian/ unstable contrib main non-free
deb-src http://ftp.psn.ru/debian/ unstable contrib main non-free
 ### add-ons ###
deb http://www.debian-multimedia.org testing main 
deb http://mirror.yandex.ru/debian/ experimental main contrib non-free
deb-src http://mirror.yandex.ru/debian/ experimental main contrib non-free
mydebian:/home/nihil# ls -la /etc/apt/sources.list
-rw-r--r-- 1 root root 2448 Дек 12 15:45 /etc/apt/sources.list
mydebian:/home/nihil#