For the benefit of lazy people, report here a list of the main features provided by APT , the transmission standard software packages provided by Debian GNU / Linux is available on all distributions derived from it.

Update the sources.list repositories to pick up new packages:
$apt-get update

Upgrade a package:
$apt-get upgrade nome_pacchetto

Upgrade the entire system:
$apt-get dist-upgrade

Remove from / var / cache / apt all packages. Deb downloaded:
$apt-get clean

Remove from / var / cache / apt package only obsolete and are no longer present in the repository:
$apt-get autoclean

Installing a new package:
$apt-get install nome_pacchetto

Remove an installed package:
$apt-get remove nome_pacchetto

Remove any residual trace - configuration files, etc.. - A package previously (un) installed:
$apt-get remove --purge nome_pacchetto

Look for a package by name:
$apt-cache search nome_pacchetto

Get information on any package:
$apt-cache show nome_pacchetto

Download the sources of a package without installing it:
$apt-get source nome_pacchetto

Identify the fastest mirrors:
$apt-spy

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