1 chuser
2? 
2  -password 
2.1?  cleartext_password 
2  -nopassword 
3? 
3  -keyfile   sshkey_filename
3  -nokey
4?  -remote
4.1 yes
4.1 no
5?  -usergrp
5.1 group_name
5.1 group_id
6 user_name
6 user_id