I'm the only user, but run as an admin. Root user is disabled by default.
don't know what I did here, but
Last login: Sat Apr 12 07:32:01 on ttyp1
Welcome to Darwin!
[Steve:~] steve% chmod 777/Users/steve/Incomplete
usage: chmod [-R [-H | -L | -P]] mode file ...
[Steve:~] steve%