Discuss the different techniques for I/O management in an operating system. Explain how buffering, spooling, and caching improve I/O performance. Give examples to illustrate their practical applications.

I/O (Input/Output) management in an operating system is crucial for enhancing the performance and efficiency of data exchanges between the computer system and external devices like disks, printers, and network interfaces. Operating systems employ several techniques to manage I/O operations effectively, such as buffering, spooling, and caching, each serving a distinct purpose in improving system performance.

Buffering is the process of temporarily storing data in memory while it is being transferred between the I/O device and the main memory. ______ ________ ___ ______ ___ _____ __________ __________ ____.
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