How to Set host on Mac OS

1. Double-click the "Macintosh HD" icon on the desktop;

2. Click the Applications> utilities> terminal icon;

3. Enter sudo VI/etc/hosts on the terminal interface and press Enter;

4. After the input is successful, press E on the displayed interface to transfer to the editing mode;

5. Enter the hosts content you want to set, such as 127.0.0.1 tw.dev.map.yahoo.com;

6. After the input is complete, if you want to save and exit, press [ESC] And enter WQ! (Note: it contains the colon and exclamation point), and then press [enter] to save and take effect.

To avoid errors, it is best to clear the browser cache again.