$ ls -al  /etc/apt/sources.list.d/
total 44
drwxr-xr-x 2 root root 4096 Oct 28 13:11 .
drwxr-xr-x 6 root root 4096 Oct 28 14:47 ..
-rw-r--r-- 1 root root  220 Oct 28 17:15 caffeine-developers-ppa-precise.list
-rw-r--r-- 1 root root  150 Oct 28 13:28 caffeine-developers-ppa-precise.list.distUpgrade
-rw-r--r-- 1 root root  220 Oct 28 17:15 caffeine-developers-ppa-precise.list.save
-rw-r--r-- 1 root root  210 Oct 28 17:15 chromium-daily-ppa-oneiric.list
-rw-r--r-- 1 root root  210 Oct 28 13:28 chromium-daily-ppa-oneiric.list.distUpgrade
-rw-r--r-- 1 root root  210 Oct 28 17:15 chromium-daily-ppa-oneiric.list.save
-rw-r--r-- 1 root root  208 Oct 28 17:15 gnomebaker-stable-oneiric.list
-rw-r--r-- 1 root root  208 Oct 28 13:28 gnomebaker-stable-oneiric.list.distUpgrade
-rw-r--r-- 1 root root  208 Oct 28 17:15 gnomebaker-stable-oneiric.list.save
[Mon Oct 28 17:26:23 trevor@OverLoard:/etc/apt ] $ sudo cat /etc/apt/sources.list
[sudo] password for trevor:
# deb cdrom:[Ubuntu 11.10 _Oneiric Ocelot_ - Release amd64 (20111012)]/ dists/oneiric/main/binary-i386/

# deb cdrom:[Ubuntu 11.10 _Oneiric Ocelot_ - Release amd64 (20111012)]/ oneiric main restricted

# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://us.archive.ubuntu.com/ubuntu/ quantal main restricted
deb-src http://us.archive.ubuntu.com/ubuntu/ quantal main restricted

## Major bug fix updates produced after the final release of the
## distribution.
deb http://us.archive.ubuntu.com/ubuntu/ quantal-updates main restricted
deb-src http://us.archive.ubuntu.com/ubuntu/ quantal-updates main restricted

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.
deb http://us.archive.ubuntu.com/ubuntu/ quantal universe
deb-src http://us.archive.ubuntu.com/ubuntu/ quantal universe
deb http://us.archive.ubuntu.com/ubuntu/ quantal-updates universe
deb-src http://us.archive.ubuntu.com/ubuntu/ quantal-updates universe

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team, and may not be under a free licence. Please satisfy yourself as to
## your rights to use the software. Also, please note that software in
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
deb http://us.archive.ubuntu.com/ubuntu/ quantal multiverse
deb-src http://us.archive.ubuntu.com/ubuntu/ quantal multiverse
deb http://us.archive.ubuntu.com/ubuntu/ quantal-updates multiverse
deb-src http://us.archive.ubuntu.com/ubuntu/ quantal-updates multiverse

## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.


## Uncomment the following two lines to add software from Canonical's
## 'partner' repository.
## This software is not part of Ubuntu, but is offered by Canonical and the
## respective vendors as a service to Ubuntu users.
# deb http://archive.canonical.com/ubuntu oneiric partner
# deb-src http://archive.canonical.com/ubuntu oneiric partner

## This software is not part of Ubuntu, but is offered by third-party
## developers who want to ship their latest software.
deb http://extras.ubuntu.com/ubuntu quantal main
deb-src http://extras.ubuntu.com/ubuntu quantal main
deb http://deb.opera.com/opera/ stable non-free
# deb-src http://deb.opera.com/opera/ stable non-free
deb http://us.archive.ubuntu.com/ubuntu/ quantal-proposed restricted main multiverse universe