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FILE MANAGEMENT, Explain file management in operating system., DESCRIBE…
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:pencil2: Each block is represented by 1 bit
:pencil2:If the block is free, the bit is 1; if the block
is allocated, the bit is 0
:pencil2:Advantage:Simple and Efficient to find the first free blocks or
consecutive free blocks on the disk
:pencil2:Disdvantage:inefficient unless the entire vector is kept in
main memory
:pencil2:link together all the free disk
blocks
:pencil2:Advantage: No waste of space
:pencil2:Disadvatage:must read each
block,to traverse the list which requires substantial I/O time.