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What are the operations of processes? Process creation A process may create several new processes. The creating process is called as parent process, where as the new proce
what is I/O management Linux
The physical memory acts as a cache backed by the disk. When the physical memory is full, and we want to read in another page from disk, we have to evict a page from physical memor
Define UNIX device driver The UNIX device driver is structured into two halves called top half and bottom half
Explain Deadlock Every process in a set of processes is waiting for an event which only a process in the set can cause.
Compare contiguous-memory allocation with pure paging in the following aspects: 1. In support of dynamic memory allocation: most systems allow programs to allocate more memory t
Q. What are the major differences between capability lists and access lists? Answer: An access list is a list for each object consisting of the domains with a nonempty set of
Demand paging With demand paging, a page is called into memory only when a location on that page is actually indexed during run time. With pre-paging, pages other than the one
Explain the Fork-join This is primitives in a higher level programming language for implementing interacting processes. The syntax is like this: fork ; join ; where
how does DMA increase system concurrency
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