etc cosa

omar@omar-VGN-N330FH:~$ /etc/apt/sources.list
bash: /etc/apt/sources.list: Permiso denegado
omar@omar-VGN-N330FH:~$ cat /etc/issue y lsb-release -a
cat: opción incorrecta -- «a»
Pruebe `cat --help' para más información.
omar@omar-VGN-N330FH:~$ lsb-release -a
No se ha encontrado la orden «lsb-release», quizás quiso decir:
 La orden «lsb_release» del paquete «lsb-release» (main)
lsb-release: no se encontró la orden
omar@omar-VGN-N330FH:~$ cat /etc/apt/sources.list | xclip
El programa «xclip» no está instalado.  Puede instalarlo escribiendo:
sudo apt-get install xclip
Necesitará activar el componente «universe»
omar@omar-VGN-N330FH:~$ cat /etc/apt/sources.liist | xsel
cat: /etc/apt/sources.liist: No existe el archivo o el directorio
El programa «xsel» no está instalado.  Puede instalarlo escribiendo:
sudo apt-get install xsel
Necesitará activar el componente «universe»
omar@omar-VGN-N330FH:~$ cat /etc/apt/sources.llist | xse
cat: /etc/apt/sources.llist: No existe el archivo o el directorio
No se ha encontrado la orden «xse», quizás quiso decir:
 La orden «xset» del paquete «x11-xserver-utils» (main)
 La orden «xte» del paquete «xautomation» (universe)
 La orden «xsp» del paquete «mono-xsp» (universe)
 La orden «xsd» del paquete «mono-devel» (main)
 La orden «xfe» del paquete «xfe» (universe)
 La orden «xsm» del paquete «x11-session-utils» (main)
 La orden «nse» del paquete «ns2» (universe)
 La orden «xe» del paquete «xcp-xe» (universe)
 La orden «xsel» del paquete «xsel» (universe)
 La orden «xae» del paquete «aee» (universe)
 La orden «xwe» del paquete «xwpe» (universe)
xse: no se encontró la orden
omar@omar-VGN-N330FH:~$ cat /etc/apt/sources.llist | xsel
cat: /etc/apt/sources.llist: No existe el archivo o el directorio
El programa «xsel» no está instalado.  Puede instalarlo escribiendo:
sudo apt-get install xsel
Necesitará activar el componente «universe»
omar@omar-VGN-N330FH:~$ clear

omar@omar-VGN-N330FH:~$ sudo gedit /etc/apt/apt/sources.list
omar@omar-VGN-N330FH:~$  gedit /etc/apt/apt/sources.list
omar@omar-VGN-N330FH:~$ sudo cat /etc/apt/sources.list
# deb cdrom:[Ubuntu 12.04 LTS _Precise Pangolin_ - Release i386 (20120423)]/ precise main restricted

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

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

deb http://security.ubuntu.com/ubuntu precise-security main restricted
deb-src http://security.ubuntu.com/ubuntu precise-security main restricted
deb http://security.ubuntu.com/ubuntu precise-security universe
deb-src http://security.ubuntu.com/ubuntu precise-security universe
deb http://security.ubuntu.com/ubuntu precise-security multiverse
deb-src http://security.ubuntu.com/ubuntu precise-security 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 precise partner
# deb-src http://archive.canonical.com/ubuntu precise 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 precise main
deb-src http://extras.ubuntu.com/ubuntu precise main
omar@omar-VGN-N330FH:~$