[root@localhost lxb]# ftp
ftp> open 192.168.205.14 8021
Connected to 192.168.205.14 (192.168.205.14).
220 (vsFTPd 3.0.2)
Name (192.168.205.14:root): admin
331 Please specify the password.
Password: //输入登录ftp_server的密码
230 Login successful.
Remote system type is UNIX.
Using binary mode to transfer files.
ftp> ls
227 Entering Passive Mode (192,168,205,14,82,117).
150 Here comes the directory listing.
226 Directory send OK.
ftp> quit
221 Goodbye.
登出