How did the term BOOTING come from

最新推荐文章于 2022-03-16 13:41:17 发布

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最新推荐文章于 2022-03-16 13:41:17 发布

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分类专栏： Oprating Systems Principles 文章标签： system up

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早期系统面临初始启动难题，CPU只能执行主存中的易失性程序，关键在于开机时如何将程序载入主存。该问题的解决办法被比喻为“拽鞋带把自己拉起来”，开机初始化系统由此被广泛称为引导（bootstraping），后简化为启动（booting）。

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A difficulty faced by even the earliest systems was initial startup. The CPU could only excute the program in the main memory which is volatile. Thus, the problem was how to get a program into the main memory when the power was turned on.
The solution of the problem has been described by a metaphor--a person attempting to pull himself up by his own shoe laces or boot straps. Thus, initializing a system after power is turned on was wildly termed bootstraping and later simplely booting.