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Define thrashing.
Thrashing is the accident of high page traffic and low CPU utilization. It is observed that the cause of thrashing is an under-commitment of memory to programs. The cure is to enhance the memory allocation for each program. This may perhaps have to be achieved by removing some programs from the memory that is by decreasing the degree of multiprogramming.
What are attributes? Attributes are the one, which explains the properties of data object.
What is independent process? A process is independent it cannot influence or be affected by the other processes implementing in the system. Any process does not share data with
function of lazy swapper
We have stressed the need for an operating system to make efficient use of the computing hardware. When is it appropriate for the operating system to forsake this principle and to
Define deadlock prevention. Deadlock prevention is a set of process for ensuring that at least one of the four essential conditions like mutual exclusion, hold and wait, no pr
mention the three problems that mat be caused by wrong initialization and placement of wait() and signal()operations in the use of semaphore
Write a note about Directory structure with examples. The FreeBSD directory hierarchy is basic to obtaining an overall understanding of the system. The most significan
Logical File System Responsible for providing the before discussed interface to the user including: File access. Directory operations. Security and protection.
What is the use of FIFOs in client-server applications
What is co-operating scheduling? CPU scheduling decisions may possibly place under the following four circumstances: 1. When process switches from the running state to
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