shibo-ubuntu@ubuntu:~$ sudo useradd karen
[sudo] password for shibo-ubuntu:
shibo-ubuntu@ubuntu:~$ sudo passwd karen
输入新的 UNIX password:
又一次输入新的 UNIX password:
passwd:已成功更新password
shibo-ubuntu@ubuntu:~$ sudo mkdir /home/karen
shibo-ubuntu@ubuntu:~$ sudo chown -Rv karen /home/karen
changed ownership of "/home/karen" from root to karen
shibo-ubuntu@ubuntu:~$ sudo groupadd -g 2001 music
shibo-ubuntu@ubuntu:~$ sudo gpasswd -a karen music
正在将用户“karen”增加到“music”组中
shibo-ubuntu@ubuntu:~$ su -l karen
password:
$ whoami
karen
$ id
uid=1002(karen) gid=1002(karen) 组=1002(karen),2001(music)
$