We can update and upgrade our system using apt-get command with keywords update and upgrade respectively.
apt-get command is a powerful command-line tool which works with Ubuntu’s Advanced Packaging Tool i.e. APT toolkit mainly used to perform functions like installation of new software packages, upgrade of existing software packages, updating of package list index and even Ubuntu system.
Time to time, we should update our system using this command line. Follow the steps given to update:
1. Open terminal using Ctrl+Alt+T
2. Here type:
$ sudo apt-get update (#Fetches the list of available updates)
$ sudo apt-get upgrade (#Install updates)
3. All done. It’s simple. 🙂