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What is banker's algorithm?
Banker's algorithm is a deadlock avoidance algorithm that is applicable to a resource-allocation system with multiple examples of each resource type. The two algorithms used for its execution are:
a. Safety algorithm: The algorithm for finding out whether or not a system is in a safe state.
b. Resource-request algorithm: if the resulting resource allocation is safe, the transaction is done and process Pi is allocated its resources. If the latest state is unsafe Pi must wait and the old resource-allocation state is restored.
what is it all about? why do we need? what are the types of backup? how is it done in unix?
What is spooling? Spooling overlaps the I/O of single job with the computation of other jobs.
VARIABLE PARTITIONING We can differ the partitions and change the location according to the size of the process. 50k 40k
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What are the advantages of Linked allocation? The benefits are a. No external fragmentation b. Size of the file does not require to be declared
summary of what operating system do
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