Package management utility for Debian based distributions.

# To update the list of available packages and versions (it's recommended to run this before other 'apt' commands):
sudo apt update

# To search for a given package:
apt search package

# To show information for a package:
apt show package

# To install a package, or update it to the latest available version:
sudo apt install package

# To remove a package (using 'purge' instead also removes its configuration files):
sudo apt remove package

# To upgrade all installed packages to their newest available versions:
sudo apt upgrade