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What are the functions of virtual file system (VFS)?
a. It separates file-system-generic operations from their execution defining a clean VFS interface. It permits transparent access to different types of file systems mounted locally.
b. VFS is based on a file representation structure, known as a vnode. It having a numerical value for a network-wide unique file .The kernel maintains one vnode structure for every active file or directory.
Explain the Network protocols There are a wide variety of network protocols to choose from traditionally client - server developers were required to choose a communications pro
Operating Systems 1. Illustrate the Microkernel Architecture with suitable diagram. 2. When Deadlock occurs? What are the Necessary Conditions for Deadlock? 3. Describe f
Deadlocks can be detected while the program is running, by running cycle detection algorithms on the graph that de?nes the current use of resources. De?ne this graph as follows:
Using pages makes it easier to manage the whole memory, avoiding excessive fragmentation and waste. As an analogy, think of Tetris, but with only square blocks: it is relatively ea
Process Synchronization in windows 2000
Operating Systems 1. Explain Micro-kernel? Specify the benefits of Micro-kernel? 2. Describe seven state process models used for OS with necessary diagram. Differentiate bet
DESCRIBE OPERATING SYSTEM
define semaphore. how can we use semaphore to deal with n-process critical section problem.
In a multiprogramming and time-sharing environment, several users share the system simultaneously. This situation can result in various security problems. a
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