Linux is not only a perfect platform for experimentation and characterization of real-time algorithms, you can also find real time in Linux today in the standard off-the-shelf 2.6 kernel.

Linux不仅是一个实验和描述实时算法的理想平台，目前在标准的2.6内核中也实现了实时功能。

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But the kernel security can not be perfect. The security kernel model can improves kernel security.

因此，在面向对象的内核设计中引入安全内核模型可以改善内核设计的安全性问题。

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