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Q. Some untimely computers protected the operating system by placing it in a memory partition that couldn't be modified by either the user job or the operating system itself. Explain two difficulties that you think could arise with such a scheme.
Answer: The data necessary by the operating system (access controls, passwords, accounting information, and so on) would have to be stored in or passed through unprotected memory and thus be accessible to unauthorized users.
Suppose your process starts up, and allocates some memory with malloc(). The allocator will then give part of a memory page to your process. The OS then updates the corresponding p
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list the prevention of mechanism for race condition with operating system
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How are file sharing and protection implemented? To implement file protection and sharing, the system ought to maintain more file and directory attributes than are needed on a
What are the methods for handling deadlocks ? The technique for handling the deadlocks are: We are able to use protocol to prevent or avoid the deadlock, make sure tha
What is a Latency Time Latency Time is the time required through a sector to reach below read/write head.
#question.explain varios types of system calls..
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