[Dark_Sniper*]

thats can do something like -
create a new user
assign the user a password
assign the user to be in the group "wwwclients"
create a folder in /home that is the same as the user's name
create a folder in /home/(user)/ called "www"
set properties of both folders to 777

if you can help and tell me how to do it or better yet a link it ould help me alot.

[popey]

Virtually all 'nix systems have a adduser script which will do all the things you ask, normally all you need to specify is the name and any additional groups you want the user to be added to, just accept the defaults for everything else. Don't forget to add your user to the group wheel if want them to be able to su, another widely used group is operator. Open a root shell and enter

adduser username