how to setup ftp user account!

[Dawa]

dear all,
i have just using ubuntu 6.06 from the last one month and found it is 
very interesting and useful too. until now i had been using windows as 
an operating system on my machine and have suffered a lot. so fro now on 
i have decided to you ubuntu as my desktop and small server too.
so, any of you kindly help me how do i create ftp user in ubuntu 6.o6? 
though i have installed ftp server and webserver using the help menu 
from http://ubuntuguide.org/ but am not able to create ftp user account 
on my machine.

thanks a lot in advance.

Dawa.