Question: An operating system can have different approaches in supporting multithreading ( for example, supporting only user - level threads, or supporting only kernel - level

An operating system can have different approaches in supporting multithreading (for example, supporting only user-level threads, or supporting only kernel-level threads, or supporting both with some mapping between the two, etc.). Discuss what should be the best approach for a modern operating systems to support multithreading.

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