apt

Update the list of available packages

$ sudo apt update

$ apt search [package]

$ apt show [package]

$ sudo apt install [package]

$ sudo apt remove [package]

$ sudo apt upgrade

$ apt list --installed

$ sudo apt autoremove

apt [options] command [arguments]

apt is the high-level command-line interface for the package management system on Debian-based distributions. It is intended as a user-friendly alternative to apt-get for interactive use with improved defaults and progress display.

update

Download package information from configured sources

Install available upgrades without removing packages

Perform upgrades, removing packages if necessary

Install or upgrade specified packages

Remove specified packages

Remove packages and their configuration files

Remove packages that were automatically installed but are no longer needed

Search for packages matching a pattern

Display package information

List packages matching criteria

Edit sources.list files

Assume yes to prompts

Quiet output

Don't install recommended packages

Intended for interactive use; for scripts, apt-get is recommended for more stable output formatting.

apt was introduced in Debian 8 (Jessie) and Ubuntu 14.04 as a unified frontend combining features from apt-get, apt-cache, and apt-config.

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