How to Clean up disk in Ubuntu Gusty Gibbon?

When i log into ubuntu gusty gibbon.it displays (100% disk space used, please cleanup disk space.) balloon.what can i do to cleanup disk in UBUNTU 7.10 environment?

Re

Hi, type the following command on your terminal as root user:

  1. df -h              # This will display all the partitions on your machine
  2. Try to post the result back and let's see what went wrong.

Also try to remove unnecesary files on your home directory!

Check this