please solve

Q1: What are main the advantage and disadvantage of implementing threads in user-space? Advantage: Disadvantage: Q2: The following link explains the concept of threads using C++ ? https://www.bogotobogo.com/cplusplus/multithreading pthread.php Answe the following questions: - The command that Creates new thread. - The command that creates the Worker thread. - The code that creates 10 threads