Real-time operating systems (RTOS) are crucial in embedded systems as they ensure timely and predictable task execution. RTOS manages multiple tasks efficiently, giving priority to critical operations, which is essential in applications like automotive control, robotics, and medical devices. It helps maintain system stability, reduces latency, and enhances responsiveness. With features like multitasking, inter-task communication, and real-time scheduling, RTOS supports high-performance and reliable embedded applications. Learning more about its practical use can be achieved through an embedded systems training institute.