# sudo apt-get update
...
Hit http://extras.ubuntu.com quantal Release.gpg
Hit http://security.ubuntu.com quantal-security Release.gpg
Ign http://us.archive.ubuntu.com quantal-backports InRelease
...
# sudo apt-get upgrade
....
thunderbird-globalmenu thunderbird-gnome-support udisks2
unity-webapps-service xserver-common xserver-xorg-core xul-ext-ubufox
xul-ext-unity
126 upgraded, 0 newly installed, 0 to remove and 2 not upgraded.
Need to get 92.7 MB of archives.
After this operation, 5,114 kB of additional disk space will be used.
Do you want to continue [Y/n]? Y
