Yeah, I think something along the lines of "an existant OS" is an acceptable translation. "To aru" has a subtle connotation implying that it is a standalone thi

Yeah, I think something along the lines of "an existant OS" is an acceptable translation. "To aru" has a subtle connotation implying that it is a standalone thing in its own regard. It's a pretty clever name for a hobby project like this, IMO.