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Open book scheduling is a type of scheduling system where employees have visibility over the available shifts and can choose or swap shifts among themselves. This approach promotes flexibility, autonomy, and communication among team members to ensure adequate shift coverage.

A scheduler is the heart of every RTOS. It provides the algorithms to select the task for execution. Three common scheduling algorithms are

> Cooperative scheduling

> Round-robin scheduling

> Preemptive scheduling

RTOS uses preemptive (priority based) scheduling.

In some cases, real-time requirements can be met by using static scheduling.

It means scheduling one after another.

Stream Scheduling is a scheduling system where there is a steady stream/flow of patients at set appointments throughout the day.