We will not need to check routinely that there is any update available using this tool. Nearly, the update manager is a 100% automatic tool. Ubuntu applies two distinct tools to update the system. We should be capable of exactly telling what's the case from the procedure of updating any system. Linux Ubuntu has become the most famous of every distribution of Linux.

Also, there is installing from pre-compiled or source.

In fact, a few distributions are different distinctly down to the kind of the types of files they apply for package management. It is important to know about updating Ubuntu that not all the distributions manage the process of updating in a similar way. If we are a new user and using Linux Ubuntu for some weeks or days, then we may be wondering how we can update our Ubuntu system for application upgrades, bug fixes, and security patches. One could update Linux Ubuntu with the help of a terminal bash shell. It is famous on both servers and desktops. and it will update everything.Linux Ubuntu is an open-source and free operating system that is based on Linux kernel and GNU userland. It will check if there is any system update available or not and with that, it will also check for software installed in the system if they need any update. In windows, if you go to setting and click update it only updates the windows but in Linux, it's a little different. And upgrade command is the one which will upgrade existing packages and also the system. If you have used windows it's just like 'Check for Update' whose whole function is just to check if an update is needed. The update will fetch apt repositories and check if there is any update required. If you check the previously given command there are two command update and upgrade. but it's not the correct function of that command. Lots of people might think that apt update will update their system. And -y at end of the command is a argument which will skip confirmation prompt asked at upgrading and directly process the system upgrade.

Here we have used & which is used to combine multiple commands in single command in our case we combined update and upgrade command.

Update command in ubuntu