# passwd runoob //设置runoob用户的密码
Enter new UNIX password: //输入新密码,输入的密码无回显
Retype new UNIX password: //确认密码
passwd: password updated successfully
# passwd runoob //设置runoob用户的密码
Enter new UNIX password: //输入新密码,输入的密码无回显
Retype new UNIX password: //确认密码
passwd: password updated successfully