How to upgrade Ubuntu

Sun Apr 13 01:50:22 UTC 2008

Hi,you can do that very easily when Hardy gets released..
The command is
$sudo apt-get dist-upgrade

>Please tell me how can I install a newer version of Ubuntu without
>re-formatting my hard disks.

>For example, I need to install the new version (8.xx) of Ubuntu replacing
>the existing version (7.10), without having to lose my files, settings and
>installed packages.

>Please help.

>Thank you.
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