The hosts file has always

Question

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?

Answer 1

Just save it directly. Hosts is a system file, please confirm it