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Unformatted text preview: What are the disadvantages of using the layered approach? 2.9 List Fve services provided by an operating system. Explain how each provides convenience to the users. Explain also in which cases it would be impossible for user-level programs to provide these services. 2.10 What is the purpose of system calls? 2.11 What are the main advantages of the microkernel approach to system design? 2.12 Why do some systems store the operating system in Frmware, and others on disk? 2.13 How could a system be designed to allow a choice of operating systems to boot from? What would the bootstrap program need to do? 3...
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- Winter '09
- Operating Systems