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Indexed allocation
Indexed allocation bringing all the pointers together into one location: the index block. Every file has its own index block, which is an array of disk-block addresses. The ith entry in the index block points to eh ith block of the file. The directory have the address of the index block.
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list the prevention of mechanism for race condition with operating system
LRU approximation page replacement In this we utilize the reference bit associated with the page entry to choose a page to be removed. The various algorithms used for the imp
define pipe
Symmetric multiprocessing To get maximum reliability and efficiency a mode of function called as symmetric multiprocessing is used. In essence, with SMP any program or threads
Explain Rehashing to Handle Collision Rehashing: Re-hashing schemes make use of a second hashing operation while there is a collision. If there is an additional collision, we
Q. Describes responsibilities of the I/O manager? Answer: The I/O manager is responsible for file systems and device drivers and network drivers. The I/O manager keeps follow
Invalid page fault :If a page fault happens for a reference to an address that's not part of the virtual address space, so that there could not be a page in memory corresponding
Internal file structure All disk I/O is performed in units of single block, and all blocks are the similar size. It is unlikely that the physical record size will exactly match
What are the necessary conditions for deadlocks? 1. Mutual exclusion : Only one process at a time is able to use the resource. 2. Hold and wait : A process should be holdi
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