it-e-08 Real-Time Operating System

A "Real-Time Operating System" or "RTOS" is an operating system that has been
developed for real-time applications. Typically used for embedded applications. Note that this type of operating system does not necessarily have high throughput — the specialized scheduling algorithm and a high clock-interrupt rate can both interfere with throughput. An early example of a large-scale real-time operating system was the so-called "control program" developed by American Airlines and IBM for the Sabre Airline Reservations System. Debate exists about what actually constitutes real-time.
Scheduling

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