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Q. Explain the File-system manipulation?
File-system manipulation there is several details in file allocation, creation, deletion and naming that users should not have to perform. Blocks of disk space are utilized by files and must be tracked.
Deleting a file requires eliminating the name file information and freeing the allocated blocks. Protections must as well be checked to assure proper file access. User programs could neither make sure adherence to protection methods nor be trusted to allocate only free blocks and deallocate blocks on file deletion.
Define Ageing Ageing is a method of enhancing the priority of process waiting in Queue for CPU allocation
The general idea of a producer-consumer architecture is related to building a pipeline of threads, similar to the web spider from Project 2. Each step of the processing will now be
Relative file organization A relative file is an array of fixed-length slots and the records can be inserted in the first free slot found from the beginning of the file and
Enhanced second-chance algorithm. When we increase the second-chance algorithm by considering both the reference bit and the modify bit as an order pair. We have the following
describe main points of multiuser and multi tasking operating systems.
explain how response time are reduced by allowing time sharing on top of multiprogramming
The term ‘page traffic’ explains Page traffic’ explains the movement of pages in and out of memory.
what is process creation and how to create a process
list the prevention of mechanism for race condition with operating system
Define Program preemption The Forced de-allocation of the CPU from a program which is executing on the CPU is known as Program preemption
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