10-exr - 10 C H A P T E R File-System Interface Practice...

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Unformatted text preview: 10 C H A P T E R File-System Interface Practice Exercises 10.1 Some systems automatically delete all user files when a user logs off or a job terminates, unless the user explicitly requests that they be kept; other systems keep all files unless the user explicitly deletes them. Discuss the relative merits of each approach. 10.2 Why do some systems keep track of the type of a file, while others leave it to the user or simply do not implement multiple file types? Which system is “ better? ” 10.3 Similarly, some systems support many types of structures for a file’s data, while others simply support a stream of bytes. What are the advantages and disadvantages? 10.4 Could you simulate a multilevel directory structure with a single-level directory structure in which arbitrarily long names can be used? If your answer is yes, explain how you can do so, and contrast this scheme with the multilevel directory scheme. If your answer is no, explain what prevents your simulation’s success. How would your answer changeprevents your simulation’s success....
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10-exr - 10 C H A P T E R File-System Interface Practice...

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