Explain the purpose of a file system

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Explain the purpose of a file system and discuss the different types of file systems. Provide examples of file systems used in modern operating systems.
Describe the organization of a hard disk and differentiate between a block and a sector in storage devices. How are these units used in reading and writing data on a hard disk?
Discuss the concept of buffering and explain how a buffer cache improves I/O performance. What are the potential drawbacks of buffering and how can they be addressed?
Define direct memory access (DMA) and discuss its role in I/O operations. What are the benefits of using DMA, and how does it compare to programmed I/O and interrupt-driven I/O?
Describe the four major components of an I/O subsystem and explain the function of each component. How do these components work together to facilitate I/O operations?
Explain the difference between synchronous and asynchronous I/O operations. What are the advantages and disadvantages of each type of operation?
Discuss the concept of RAID (Redundant Array of Independent Disks) and explain the different levels of RAID. What are the benefits of using RAID, and what are the trade-offs of using different RAID levels?
Discuss the impact of I/O performance on the overall performance of an operating system. What are the key factors that affect I/O performance, and how can they be optimized?

Reference no: EM133423949

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