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OS

Recovery from Deadlock

When a detection algorithm determines that a deadlock exists, several alternatives exist. One possibility is to inform the operator that...
OS

Safety Algorithm

1. Let Workand Finish be vectors of length m and n, respectively. Initialize: Work = Available Finish [i] = false...
OS

Deadlock Prevention

Deadlock prevention is a set of methods for ensuring that at least one of these necessary conditions cannot hold. Mutual...
OS

Semaphores

For the solution to the critical section problem one synchronization tool is used which is known as semaphores. A semaphore...
virtual machines
OS

Virtual Machines

By using CPU scheduling & virtual memory techniques an operating system can create the illusion of multiple processes, each executing...
OS

System structure

Simple structure There are several commercial system that don‘t have a well- defined structure such operating systems begins as small,...