For some specific reasons, I need to uninstall my Bind9 package.
It is different from Window, where you only need to access Add/Remove programs.
Thanks GOD, it simple and I only need to login as root and then run this command:
# apt-get remove bind9
It has done!
NB: some folders that we created manually does not deleted automatically.
English, I need to learn write in English 😉 .