sudo apt update && sudo apt upgrade -y
#or use it seperately
sudo apt update
sudo apt upgrade
#you make wanna run below command to remove unwanted
#and free up some space
sudo apt autoremove
sudo apt update && sudo apt upgrade -y
sudo apt full-upgrade
update-manager -c
sudo do-release-upgrade
sudo apt-get update -y && sudo apt-get full-upgrade -y && sudo apt-get update -y && sudo apt-get autoremove -y && sudo apt-get update -y
sudo -s -- <<EOF
apt-get update
apt-get upgrade -y
apt-get dist-upgrade -y
apt-get autoremove -y
apt-get autoclean -y
EOF
sudo -- sh -c 'apt-get update; apt-get upgrade -y; apt-get dist-upgrade -y; apt-get autoremove -y; apt-get autoclean -y'
sudo apt update
sudo apt upgrade
sudo do-release-upgrade -d -f DistUpgradeViewGtk3
# apt update -y && apt upgrade -y
~$ sudo apt update
~$ sudo apt upgrade