how to update software installed on ubuntu

[Mark]

On Fri, Nov 12, 2010 at 8:51 PM, yatheesh y <yatheeshlib at gmail.com> wrote:
> how to install software on ubuntu
>
> I have give name: sschm      when installing ubuntu now How to login/ enter
> /run update software ?
>
> when I open terminal it show   " sschm at sschm-desktop:~$ "
>
> please tell me how to run/ update other software installed on ubuntu
>
Frankly, I'm not exactly sure what you're asking, but have you tried
'apt-get update'?

Mark