任务调度是操作系统设计的一个重要方面，从桌面操作系统调度器到实时调度器和嵌入式操作系统调度器。

Task scheduling is an important aspect to operating system design, from desktop operating system schedulers to real-time schedulers and embedded operating system schedulers.

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实时操作系统。一种被特殊设计来用在实时系统中的操作系统。

Real-Time Operating System. An operating system designed specifically for use in real-time systems.

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设计以若干（种）使用RTOS特殊消息队列、消息发送及计时器中断的实时操作系统为基准。

The design or a subset of it was implemented under several different Real Time Operating systems using RTOS specific message queues, semaphores and a timer interrupt.

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