If you are just new to Ubuntu and have come from Windows where you got most updates by visiting the various vendors or each application doing it separately you are in for a jolt! Updating your complete Ubuntu system including all the software is as simple as running the update manager. In this simple how-to you will learn how easy it is to install in various different ways and remove software as well .
Keeping your Ubuntu System up to Date
Although you can use synaptic to install your updates, there is a dedicated tool provided by Ubuntu in the name and form of the “Update Manager” (located in System, Administration, Update Manager). It is very simple to use, once you start it it will auto download the list of updates available for your software. and shows them all neatly checked in a list.