RTEMS (real-time Executive for Multiprocessor systems) is a free open source real-time operating system designed for embedded systems.

(多处理系统实时可执行体)一个自由的为嵌入式系统而设计的开源实时操作系统。

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PEMS is a parallel-embedded operating system, which is designed for the satellite-carried parallel computer system. The design of PEMS refers to the real time operating system RTEMS.

PEMS是一个以rtems为参考、针对星载并行计算机系统特点设计和实现的嵌入式并行操作系统。

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