~$ sudo vim /etc/hosts
@happypeter ?你好,這是什么問題呢 ~$ sudo vim /etc/hosts WARNING: Improper use of the sudo command could lead to data loss or the deletion of important system files. Please double-check your typing when using sudo. Type "man sudo" for more information. To proceed, enter your password, or type Ctrl-C to abort.
2016-01-22
保存的時候:wq!