apt - install or upgrade packages
[SYNOPSIS] apt OPTION COMMAND PACKAGE
command
install Install packages
# apt install package
remove Remove packages
# apt remove package
purge Remove packages includes configuration files
# apt purge package
search Search for a package by name and/or expression
show Display detailed information about a package
update Download lists of new/upgradable packages
full-upgrade Perform an upgrade, possibly installing and removing packages

option
-y Assume that the answer to simple yes/no questions is 'yes'
# apt -y install package
-v Display extra information. (may be supplied multiple times)
-h Help text