imagine a virtual (green) thread which the kernel doesn't run in parallel until you tell it it's ok to do so (when you explicitly yield control) and then can co

imagine a virtual (green) thread which the kernel doesn't run in parallel until you tell it it's ok to do so (when you explicitly yield control) and then can continue from that place when you explicitly tell it to. you can even try to run those virtual threads on real threads. much fun to be had.