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Consider an operating system that executes within user processes. Assume that the programmer use in his code the system call CreateProcessA(). How are the parameters

  1. Consider an operating system that executes within user processes. Assume that the programmer use in his code the system call CreateProcessA().
    1. How are the parameters passed to the system call?
    2. How is the return value of the function returned to the main process?
    3. If the system call needs local variables, were are they stored?
    4. In what mode is the system call executed?

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