dpkg-query --show --showformat='${Package;-50}t${Installed-Size}n' | sort -k 2 -n | grep -v deinstall | awk '{printf "%.3f MB t %sn", $2/(1024), $1}' | tail -n 30
dpkg-query --show --showformat='${Package;-50}t${Installed-Size}n' | sort -k 2 -n | grep -v deinstall | awk '{printf "%.3f MB t %sn", $2/(1024), $1}' | tail -n 30