Why Can’t I Delete a Directory While Inside It?

You can't delete the directory you’re in because it doesn't really make sense to do so. If you were able to delete it while inside, it leaves you in a non-existent place. The usual way to do this is to navigate up a level using a command like `cd ..` before running the delete command.

I tested this out: created a directory called 'foo' and went into it. When I tried to delete using `rm -rf "$PWD"`, it didn’t work until I navigated back up a level! Just a little trick I found out.

This is actually by design; you can’t delete your current working directory. A good workaround is to type `cd .. && rm -rf directory1`, which will let you remove it from one level up.

Are you deleting this through the terminal or a graphical interface? If you're using the terminal, just use the command `rm -rf directory1` to remove it. The `-f` flag forces deletion without prompting, which is sometimes necessary for various files. Double-check the man page if you want more detailed info on that!