Explain important fuction of virtual file system, Operating System

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Virtual File System serves two important functions.

1. It divides file-system-generic operations from their execution by defining a clean VFS interface.

2. The VFS is based on a file-representation structure known as a vnode, which have a numerical designator for a network-wide  unique file. This network-wide uniqueness is needed for support of network file systems.

 


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