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Second-Chance algorithm
When a page has been selected, we inspect its reference bit. If the value is 0, we proceed to replace this page. If the reference bit is set to 1, though, we give that page a second option and move on to select the next FIFO page.
What OS''s are available in market as open source?
Define a loader that is executed when a system is first turned on or restarted? Bootstrap loader is executed when a system is first turned on or restarted
Process states in Linux OS Running: Process is either ready to run or running Interruptible: a Blocked part of a process and waiting for a signal or an event from anothe
Q. In some systems a subdirectory is able to be read and written by an authorized user just as ordinary files can be. a. Explain the protection problems that could arise. b.
example of first fit best fit and worst fit
Many-to-One Model (Green Threads) Implementations of the many-to-one model a lot of user threads to one kernel thread permit the application to create any number of threads tha
What is paging? Paging is a memory management scheme that authorizes the physical-address space of a process to be noncontiguous. Paging evades the considerable problem of fi
Question : a) What do you understand by a Directory Structure? Support your answer with a diagram. b) Give an example how Access Lists and Groups are arranged to mode of
what is meant by lazzy swapper
Synchronization serves two purposes: 1) to ensure safety for updates on shared data (e.g. to avoid races conditions), and 2) to coordinate and order actions taken by threads (e.g.
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