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《操作系统概念》

作者：【美】西尔伯查茨 等  出版社：高等教育出版社

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题目 题型
Consider a file system that uses a modifed contiguous-allocation scheme with support for extents. A file is a collection of exte 问答
What are the advantages of the variation of linked allocation that uses a FAT to chain together the blocks of a file?  问答
Consider a system where free space is kept in a free-space list. a. Suppose that the pointer to the free-space list is lost. Ca 问答
Some file systems allow disk storage to be allocated at different levels of granularity. For instance, a file system could alloc 问答
Discuss how performance optimizations for file systems might result in difficulties in maintaining the consistency of the system 问答
Consider a file system on a disk that has both logical and physical block sizes of 512 bytes. Assume that the information about 问答
Fragmentation on a storage device could be eliminated by recompaction of the information. Typical disk devices do not have reloc 问答
In what situations would using memory as a RAM disk be more useful than using it as a disk cache?  问答
Consider the following augmentation of a remote-file-access protocol. Each client maintains a name cache that caches translation 问答
Explain why logging metadata updates ensures recovery of a file system after a file system crash.  问答
Consider the following backup scheme: • Day 1. Copy to a backup medium all files from the disk. • Day 2. Copy to another mediu 问答

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