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Question:
(a) Describe blocking and non-blocking types of inter-process communication. What is easier to implement and why? Discuss their relative advantages and disadvantages.
(b) A spin lock is a boolean variable accessed via an atomic test-and-set instruction, which is used to obtain mutual exclusion. Would you use a spin lock to obtain mutual exclusion between threads on a single-processor computer?
(c) Explain what is meant by the load sharing components: transfer policy, selection policy, location policy, and information policy for dynamic load sharing.
(d) Caching is an important optimisation technique. Describe the three potential locations for caching in a distributed file system. Briefly discuss the advantages and disadvantages of each location.
(e) What is process migration? Why might you want to migrate a process?
what is process creation and how to create a process
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A Unix shell is a shell or command-line interpreter that gives a traditional user interface for the Unix-likesystems and for Unix operating system. Users operates the operation of
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Q. What are the advantages as well as disadvantages of using circuit switching? For what types of applications is circuit switching a viable strategy? Answer: Circuit
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