题目	题型
Consider a file system where a file can be deleted and its disk space reclaimed while links to that file still exist. What probl	问答
The open-file table is used to maintain information about files that are currently open. Should the operating system maintain a	问答
What are the advantages and disadvantages of a system providing mandatory locks instead of providing advisory locks whose usag	问答
What are the advantages and disadvantages of recording the name of the creating program with the file's attributes (as is done i	问答
If the operating system were to know that a certain application is going to access the file data in a sequential manner, how cou	问答
Give an example of an application that could benefit from operating system support for random access to indexed files.	问答
Discuss the merits and demerits of supporting links to files that cross mount points (that is, the file link refers to a file th	问答
Some systems provide file sharing by maintaining a single copy of a file; other systems maintain several copies, one for each of	问答
Discuss the advantages and disadvantages of associating with remote file systems (stored on file servers) a different set of fai	问答
What are the implications of supporting UNIXconsistency semantics for shared access for those files that are stored on remote fi	问答

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