apt-get

Update the list of available packages

$ sudo apt-get update

$ sudo apt-get install [package]

$ sudo apt-get remove [package]

$ sudo apt-get purge [package]

$ sudo apt-get upgrade

$ sudo apt-get autoclean

$ sudo apt-get autoremove

$ sudo apt-get dist-upgrade

apt-get [options] command [package...]

apt-get is the command-line package management utility for Debian and Ubuntu. It handles installation, upgrade, and removal of software packages. For interactive use, apt is recommended as a more user-friendly alternative.

update

Resynchronize package index files from sources

Install newest versions of all currently installed packages

Upgrade and handle changing dependencies

Install or upgrade specified packages

Remove packages

Remove packages and configuration files

Remove automatically installed packages no longer needed

Clear local repository of retrieved package files that can no longer be downloaded

Clear local repository of all retrieved package files

Download the binary package into the current directory

Fetch source packages

Automatic yes to prompts

Download packages but don't install

Don't install recommended packages

Attempt to fix broken dependencies

Run apt-get update before other commands to ensure the package list is current.

Part of the APT (Advanced Package Tool) suite developed for Debian in 1998 by the APT Development Team.

apt(8), apt-cache(8), dpkg(1), aptitude(8)