Moving hidden files in the command line

I was attempting to move all files from a subfolder into the root folder in the command line and ran:

mv subfolder/* .

but to my surprise, files beginning with ., like .gitignore, did not move.

It turns out hidden files are exlcuded by default I guess?

If you want to move dotfiles, you can do this instead:

mv subfolder/{,.}* .

See this answer.