Just typing "cd" will take you to your $HOME too. This article is pretty bad for actually understanding things. Nope, those are not multi-line comments, it's

Just typing "cd" will take you to your $HOME too. This article is pretty bad for actually understanding things. Nope, those are not multi-line comments, it's just that those operations have no effects when used that way, but they were not designed for multi-line commenting.