What is a file system file control block?

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What is a file system file control block?

A file system file control block (FCB) is a data structure used by a file system to store information about a specific file. It contains metadata about the file, such as its name, location, size, permissions, creation and modification dates, and other attributes. The FCB is typically created when a file is created or opened and is used by the file system to manage and track the file's properties and operations.