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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. Consider the subsequent page reference string: 1, 2, 3, 4, 2, 1, 5, 6, 2, 1, 2, 3, 7, 6, 3, 2, 1, 2, 3, 6. How many page faults would take place for the following replace
importance of Operating system in modern computers. Also explain various functions & types of operating systems
what is the meaning
What is indexed allocation? Every file has its own block of pointers to the sectors of the file.
Explain about file allocation methods? The main problem in direct-access nature is how to assign space to these files so that disk space if utilized effectively and files can b
What is the benefits OS co-operating process? Information sharing. Computation speeds up. Modularity. Convenience.
Problem 1: (a) The grouping of organisational activities (usually into ‘departments' or larger ‘divisions') can be done in different ways. Outline 7 criteria which can be used
what is application software?
The term ‘page traffic’ explains Page traffic’ explains the movement of pages in and out of memory.
DESIGN GOALS OF WINDOWS XP.DESCRIBE IN DETAIL.
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