apt-get update
apt-get upgrade
root@iZ28t2p7lz9Z:~# adduser cui
Adding user `cui‘ ...
Adding new group `cui‘ (1000) ...
Adding new user `cui‘ (1000) with group `cui‘ ...
Creating home directory `/home/cui‘ ...
Copying files from `/etc/skel‘ ...
Enter new UNIX password:
Retype new UNIX password:
passwd: password updated successfully
Changing the user information for cui
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
原文：http://www.cnblogs.com/tugeler/p/5164785.html