Install available upgrades, removing currently installed packages if needed to upgrade the system as a whole

apt full-upgrade

For any operation that would download packages, download them, but do nothing else

Do not download packages, attempt to use already downloaded packages

--no-download

Simulate running this command and show it's output, without actually changing anything

Name	Description
`-d, --download-only`	For any operation that would download packages, download them, but do nothing else
`--no-download`	Do not download packages, attempt to use already downloaded packages
`-y`	Assume yes to all prompts
`--assume-no`	Assume no to all prompts
`-s, --simulate`	Simulate running this command and show it's output, without actually changing anything