erro linux o abrir gestor de actualizaçoes

[hawk_ehz]

boas

fica em baixo o ficheiro aberto.. isto de aprender a mexer em linux da estragos
mas estou a gostar.

# deb cdrom:[Ubuntu 9.10 _Karmic Koala_ - Release i386 (20091028.5)]/ karmic main restricted
# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.

deb http://pt.archive.ubuntu.com/ubuntu/ karmic main restricted
deb-src http://pt.archive.ubuntu.com/ubuntu/ karmic main restricted

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

## Uncomment the following two lines to add software from the 'backports'
## repository.
## 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.
# deb http://pt.archive.ubuntu.com/ubuntu/ karmic-backports main restricted universe multiverse
# deb-src http://pt.archive.ubuntu.com/ubuntu/ karmic-backports main restricted universe multiverse

## 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 karmic partner
# deb-src http://archive.canonical.com/ubuntu karmic partner

deb http://security.ubuntu.com/ubuntu karmic-security main restricted
deb-src http://security.ubuntu.com/ubuntu karmic-security main restricted
deb http://security.ubuntu.com/ubuntu karmic-security universe
deb-src http://security.ubuntu.com/ubuntu karmic-security universe
deb http://security.ubuntu.com/ubuntu karmic-security multiverse
deb-src http://security.ubuntu.com/ubuntu karmic-security multiverse
deb http://ppa.launchpad.net/cairo-dock-team/ppa/ubuntu karmic main ## Cairo-Dock-PPA
usage: sudo [-n] -h | -K | -k | -L | -V | -v
usage: sudo -l[l] [-AnS] [-g groupname|#gid] [-U username] [-u username|#uid]
[-g groupname|#gid] [command]
usage: sudo [-AbEHnPS] [-C fd] [-g groupname|#gid] [-p prompt] [-u
username|#uid] [-g groupname|#gid] [VAR=value] [-i|-s] [<command>]
usage: sudo -e [-AnS] [-C fd] [-g groupname|#gid] [-p prompt] [-u
username|#uid] file ...