> Unix has lots of weird cruft littering its dark corners; for instance you can use : instead of #! and, if I remember correctly, the OS will use "the default s

> Unix has lots of weird cruft littering its dark corners; for instance you can use : instead of #! and, if I remember correctly, the OS will use "the default shell". I mean, it's basically what the article says. Anything that's not an executable and doesn't start with "#!" gets passed to the default shell. ":" is no exception here.