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What are the deadlock prevention methodologies?
a. Necessitate that processes request all resources before starting - if cannot be granted don't run.
b. Processes only allowed requesting resources when they hold none.
c. If a resource request can't be granted to halt process and take away resources held. Give back and restart while all available simultaneously.
d. If a resource request can't be granted to take them away from some other process.
e. Offering a total ordering of resources and only grant requests if up along the order or release ones ahead in the order
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list trhe various classification of model and types?
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a) The barber shop has one barber, one barber chair, and n chairs for waiting customers, to sit on. If there are no customers present, the barber sits down in the barber chair and
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