ecco il risultato:
vincenzo@ubuntu:~$ sudo cat -n /etc/apt/sources.list
1 # deb cdrom:[Ubuntu 10.10 _Maverick Meerkat_ - Release i386 (20101007)]/ maverick main restricted
2 deb-src
http://archive.ubuntu.com/ubuntu maverick main restricted #Added by software-properties
3 # See
http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
4 # newer versions of the distribution.
5
6 deb
http://it.archive.ubuntu.com/ubuntu/ maverick main restricted multiverse
7 deb-src
http://it.archive.ubuntu.com/ubuntu/ maverick restricted main universe #Added by software-properties
8
9 ## Major bug fix updates produced after the final release of the
10 ## distribution.
11 deb
http://it.archive.ubuntu.com/ubuntu/ maverick-updates main restricted multiverse
12 deb-src
http://it.archive.ubuntu.com/ubuntu/ maverick-updates restricted main universe #Added by software-properties
13
14 ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
15 ## team. Also, please note that software in universe WILL NOT receive any
16 ## review or updates from the Ubuntu security team.
17 deb
http://it.archive.ubuntu.com/ubuntu/ maverick universe
18 deb
http://it.archive.ubuntu.com/ubuntu/ maverick-updates universe
19
20 ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
21 ## team, and may not be under a free licence. Please satisfy yourself as to
22 ## your rights to use the software. Also, please note that software in
23 ## multiverse WILL NOT receive any review or updates from the Ubuntu
24 ## security team.
25
26 ## Uncomment the following two lines to add software from the 'backports'
27 ## repository.
28 ## N.B. software from this repository may not have been tested as
29 ## extensively as that contained in the main release, although it includes
30 ## newer versions of some applications which may provide useful features.
31 ## Also, please note that software in backports WILL NOT receive any review
32 ## or updates from the Ubuntu security team.
33 deb
http://it.archive.ubuntu.com/ubuntu/ maverick-backports main restricted universe multiverse
34 # deb-src
http://it.archive.ubuntu.com/ubuntu/ maverick-backports main restricted universe multiverse
35
36 ## Uncomment the following two lines to add software from Canonical's
37 ## 'partner' repository.
38 ## This software is not part of Ubuntu, but is offered by Canonical and the
39 ## respective vendors as a service to Ubuntu users.
40 deb
http://archive.canonical.com/ubuntu maverick partner
41 deb-src
http://archive.canonical.com/ubuntu maverick partner
42
43 ## Uncomment the following two lines to add software from Ubuntu's
44 ## 'extras' repository.
45 ## This software is not part of Ubuntu, but is offered by third-party
46 ## developers who want to ship their latest software.
47 deb
http://extras.ubuntu.com/ubuntu maverick main
48 deb-src
http://extras.ubuntu.com/ubuntu maverick main
49
50 deb
http://security.ubuntu.com/ubuntu maverick-security main restricted multiverse
51 deb-src
http://security.ubuntu.com/ubuntu maverick-security restricted main universe #Added by software-properties
52 deb
http://security.ubuntu.com/ubuntu maverick-security universe
53
54
55
56 usage: sudo -h | -K | -k | -L | -V
57 usage: sudo -v [-AknS] [-p prompt]
58 usage: sudo -l[l] [-AknS] [-g groupname|#gid] [-p prompt] [-U username] [-u
59 username|#uid] [-g groupname|#gid] [command]
60 usage: sudo [-AbEHknPS] [-C fd] [-g groupname|#gid] [-p prompt] [-u
61 username|#uid] [-g groupname|#gid] [VAR=value] [-i|-s] []
62 usage: sudo -e [-AknS] [-C fd] [-g groupname|#gid] [-p prompt] [-u
63 username|#uid] file ...
64 deb
http://download.virtualbox.org/virtualbox/debian maverick non-free #VirtualBox
vincenzo@ubuntu:~$