Kernel I/O Subsystem

The kernel provides many services related to I/O. Several services (i.e. scheduling, buffering, caching, spooling, device reservation and error handling) are provided by the kernel's I/O subsystem and build on…

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File Operation

The operating system can provide system calls to create, write, read, reposition, delete, and truncate files. The file operations are described as followed: File Operation:- Creating a file: Two steps…

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Thrashing

The system spends most of its time shuttling pages between main memory and secondary memory due to frequent page faults. This behavior is known as thrashing. A process is thrashing…

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