The “Only Ubuntu Linux” blog shows us two ways of how to update Ubuntu 6.10.
Read it here
Ubuntu 7.04 is the current development version of the Ubuntu operating system. It is to be released in April 19th 2007.The common name given to this release from the time of its early development was Feisty Fawn.
We can Use Two methods to upgrade Ubuntu Edgy to Ubuntu Feisty
1) Using GUI
2) Using apt-get