In the early days, bootstrapping a computer meant feeding a paper tape containing a boot program or manually loading a boot program using the front panel address/data/control switches.

早期时，启动一台计算机意味着要给计算机喂一条包含引导程序的纸带，或者手工使用前端面板地址/数据/控制开关来加载引导程序。

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It involves loading an initial ram disk (initrd) and then passing control to a program called init, a program that is usually installed as part of the sysvinit package.

它涉及到加载一个初始ram磁盘(initrd)，然后将控件传给一个名为init的程序，通常作为sysvinit包的一部分安装的一个程序。

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Thus, if the application program is to be loaded, there must be a program in the memory to control the loading process.

因此，如果要装入应用程序，必须在主存中有一个控制加载过程的程序。

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