That's essentially what it does, but if you use the "autocd" option as well, you don't need to type "cd" - you can just use the name of a directory as a command

That's essentially what it does, but if you use the "autocd" option as well, you don't need to type "cd" - you can just use the name of a directory as a command. So, "autopushd" would ensure that these operations use the directory stack also.