Please do not post the same thread in more than one forum. Picking the most relevant forum and posting it once there makes it easier for other members to help you and keeps the discussion all in one place.
I'll give the answer here to for future refference but please don't post twice:
Start a new thread for a new question.
The command you are probably looking for is:
service vsftpd stop
To stop it running on boot:
chkconfig --level 345 vsftpd off