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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.
Q. Which of the subsequent programming techniques and structures are good for a demand-paged environment? Which aren't good? Describe your answers. a. Stack b. Hashed symbol
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What is macro expansion
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