Welcome to Ubuntu 13.04 (GNU/Linux 3.8.0-19-generic i686)

 * Documentation:  https://help.ubuntu.com/

  System information as of Sat May 25 15:01:03 CEST 2013

  System load:  0.24                Processes:           80
  Usage of /:   93.6% of 108.70GB   Users logged in:     0
  Memory usage: 44%                 IP address for eth0: 192.168.0.102
  Swap usage:   0%

  => / is using 93.6% of 108.70GB

  Graph this data and manage this system at https://landscape.canonical.com/

11 packages can be updated.
11 updates are security updates.

New release '13.04' available.
Run 'do-release-upgrade' to upgrade to it.

Last login: Thu May 16 20:47:21 2013 from 192.168.0.107
root@nas1:~# do-release-upgrade
Checking for a new Ubuntu release
No new release found