INTERVIEW QUESTIONS OPERATING SYSTEMS DETAILS

Question: What is a Safe State and what is its use in deadlock avoidance?

Answer: When a process requests an available resource, system must decide if immediate allocation leaves the system in a safe state. System is in safe state if there exists a safe sequence of all processes. Deadlock Avoidance: ensure that a system will never enter an unsafe state.

When a process requests an available resource, system must decide if immediate allocation leaves the system in a safe state. System is in safe state if there exists a safe sequence of all processes. Deadlock Avoidance: ensure that a system will never enter an unsafe state. Source: CoolInterview.com

a system is said to be in safe state if it can allocate resources to all the processes in some sequence , and still avoids deadlock Source: CoolInterview.com

Safe state basically describes the safe sequence of process such that allocation of resources in this order will not lead into deadlock situation. Source: CoolInterview.com

Safe state is also known as Undeadlock state.
In safe state , resources are allocated to sequence order of process(job).
so deadlock never occur in safe state. Source: CoolInterview.com

Safe state is also known as Undeadlock state.
In safe state , resources are allocated to sequence order of process(job).
so deadlock never occur in safe state. Source: CoolInterview.com

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