install ubuntu without deleting data

[Steve]

On Sat, 09 Jan 2010 14:12:00 -0000, vijay shanker <vijay.shad at gmail.com>  
wrote:

> Hi friends;
>
> I am wondering if there exists any way by which I can do a fresh  
> reinstall
> UBUNTU without deleting current installation.
>
Why? How is your drive partioned?

One way would be to create a new partiton of 10Gb or so and do a clean  
install to that as root and mount your old partition as /home.
As always care and backups should be done.

-- 
Steve