To create a new user, first login as yourself.

Then from the Leaf > Applications > System Tools > UXterm run the following command:

sudo adduser <new_user>

Where <new_user> is the login name for the new user . You may be prompted for your password.

Dialog on terminal when I added a user named 'onemore':

root@gPC:~# adduser onemore

Adding user `onemore' ...

Adding new group `onemore' (1004) ...

Adding new user `onemore' (1004) with group `onemore' ...

Creating home directory `/home/onemore' ...

Copying files from `/etc/skel' ...

Enter new UNIX password:

Retype new UNIX password:

passwd: password updated successfully

Changing the user information for onemore Enter the new value, or press ENTER for the default

       Full Name []:
       Room Number []:
       Work Phone []:
       Home Phone []:
       Other []:

Is the information correct? [y/N] y


For a better, long-term way, see users