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Problem: a) Explain physically what occurs when a disk is fragmented. What is the purpose of "defragmenting" a disk? b) What is the idea behind backing up data on a secondar
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.
Several schemes available are as follows: Pipes : One-way communication process through which different process can interact. The problem is that the two processes could have
Some CPUs provide for more than two modes of operation. What are two possible uses of these multiple modes?
what is it all about? why do we need? what are the types of backup? how is it done in unix?
address binding at load time
Processes and Programs Process is a dynamic entity which is a program in execution. A process is a sequence of information executions. Process exists in a limited span of t
Determine a critical section is a program segment Critical section is where shared resources are accessed
Q. What are the three major purposes of an operating system? Answer: To offers an environment for a computer user to execute programs on computer hardware in a conveni
What is the purpose of system calls? System calls permit user-level processes to request services of the operating system.
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