Problem:
(a) (i) Explain what a single system image is and how it is related to the concept of a distributed operating system?
(ii) What are the main differences between a network operating system and a distributed operating system?
(iii) What are the major issues that need to be addressed in designing a distributed operating system?
(b) (i) A design goal for microkernels is to provide the minimal set of basic services that is sufficient to support all of the other services that are required. Discuss the composition of the set of basic services, with arguments for your choices.
(ii) What is the advantage of the layered approach to operating system design?