update ubuntu in terminal
snippet in c

update ubuntu

user818

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

update linux command

user9533

# "To update Linux type:"
sudo apt-get update
# Enter your user's password.

update ubuntu in terminal

user7385

#gets package(s) update definitions
sudo apt update
#upgrades the package(s) for which update definitions are received
sudo apt upgrade

linux os upgrade

user4173

sudo do-release-upgrade