update ubuntu to latest version code example

Example 1: update ubuntu

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

Example 2: how upgrade the thins upgradable in ubuntu

echo "sudo apt update && sudo apt -y upgrade && sudo apt -y dist-upgrade && sudo apt -y autoremove && sudo apt autoclean" > update && sudo mv update /usr/local/bin/update && sudo chmod +x /usr/local/bin/update