If you right click in Windows and try to make a new text file with a . period/dot in front of it: Name the file...something like .gitignore, for example. You'll get the "You must type a file name" error. But, rather than typing .gitignore, if you include an ending dot also, like .gitignore. Then it works fine. Thanks, Mads, for the tip! NOTE: We're assuming that you have "File name extensions" tur
![How to create a file with a . dot prefix in Windows Explorer](https://cdn-ak-scissors.b.st-hatena.com/image/square/88f27de8149e57e47f09dcdb8856c516dfde01cc/height=288;version=1;width=512/https%3A%2F%2Fwww.hanselman.com%2Fblog%2Fcontent%2Fbinary%2FWindows-Live-Writer%2FHow-to-c.-dot-prefix-in-Windows-Explorer_14102%2Fimage_d147ddb0-09c3-4777-a2c6-34296b97f82e.png)