I want to upgrade my Ubuntu to the latest version.My ubuntu release when i run the lsb_release -a is:

No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 14.04.3 LTS
Release:    14.04
Codename:   trusty

But i think this is not the latest version of the Ubuntu released on the Ubuntu site.when i exec sudo update-manager -di get nothing to update! How can i upgrade my system to the latest version without losing any application or data


To upgrade to the latest version you would first have to upgrade to 14.10 and then to 15.04 !

This probably may result in some issues - you should consider a clean install of Ubuntu 15.10.

... and by the way ... it will be much faster ...

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  • No you don't need that! You can do dist-upgrade – Star OS Oct 24 '15 at 9:03

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