Because there already exists a perfectly fine name for them: green threads (as opposed to operating system threads), using M:N threading. http://en.wikipedia.o

Because there already exists a perfectly fine name for them: green threads (as opposed to operating system threads), using M:N threading. http://en.wikipedia.org/wiki/Green_threads http://en.wikipedia.org/wiki/Green_threads http://en.wikipedia.org/wiki/Thread_(computing)#M:N_.28Hybrid_threading.29 http://en.wikipedia.org/wiki/Thread_(computing)#M:N_.28Hybri... They are just a subclass of threads.