Hah, I've actually run CP/M on a DEC Robin! I wouldn't call that a "true os" by my (own, flawed, unspecified) definition because it doesn't have memory protecti

Hah, I've actually run CP/M on a DEC Robin! I wouldn't call that a "true os" by my (own, flawed, unspecified) definition because it doesn't have memory protection or preemptive multitasking.