It's mentioned on the homepage. There's also "del /f /s /q" to delete just files, followed by "rmdir /q /s" to delete just folders; and there's also "robocopy

It's mentioned on the homepage. There's also "del /f /s /q" to delete just files, followed by "rmdir /q /s" to delete just folders; and there's also "robocopy /mir" with an empty folder as a source. From what I've seen straight "rmdir" is the fastest of these three.