I clicked on the other options menu, clicked to open hosts, the file opened was an empty file, I wrote a sentence: 127.0.0.1 www.baidu.com, clicked to save, prompt: You can also create the file hosts, Please confirm that the path and file name are correct.
Excuse me, what is going on?
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Just save it directly. Hosts is a system file, please confirm it