Access matrix is a model of protection helps in protection of a system. It is a two-dimensional matrix with rows representing domains and columns representing objects.

Deadlock refers to a situation in an operating system in which one process is waiting for a resource that is currently under the control of some other

Deadlock avoidance does not impose any rules but, here each resource request is carefully analyzed to see whether it could be safely fulfilled without

N-step-SCAN is a disk scheduling algorithm that scans N number of disk request queues at a time. This queue is fragmented into sub-queues, which are

There are several files that will be stored in computer memory. When an application needs a file the operating system should search in the computer

Implementation of a directory structure involves a selection of efficient and reliable directory allocation and management algorithm from the availabl

Normally, the hard disk is divided into various parts of different sizes known as partitions or volumes. Each of which contains a file system that