Preemption and better support for multiprocessor architectures move it closer to an operating system that's useful both on the desktop and on the real-timesystem.
抢占和对多处理器体系架构的更好支持使整个系统更接近于多桌面和实时系统都非常有用的操作系统。
2
However, it's not advisable to use hot update in a real-timesystem, because it could result in the system leading into an unknown state.
不过，在实时系统中使用热更新并不明智，因为这可能导致系统进入未知状态。
3
A real-timesystem is one in which the correctness of the computations not only depends upon the logical correctness of the computation but also upon the time at which the result is produced.