Question: What actions does the operating system take when a program issues the open and close operations for a file that is to be read from

What actions does the operating system take when a program issues the open and close operations for a file that is to be read from disk? For a file that is to be created? (There are several actions that take place. The textbook is a better source than Google for this question and most of the others. The book will tell you about "open." From there, you should be able to figure out "create" and "close.")

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