This ioctl() call is responsible for doing context switches between guest OS and host OS.

这个 ioctl() 调用负责进行客户 OS 与宿主 OS 之间的上 下文切换。

youdao

The idea is to deploy a working instance of software appliance regardless of the host OS - i.e. you get a single image you can run on a clean machine, a VMWare, an OS installation etc.

其中的想法是部署一个立即可运行的一体化软件的实例，而无需关心宿主OS——即是说拿到一个映像文件，你就可以直接在一台空白机器、VMWare或者安装好的OS上运行这个软件。

youdao

To an extent, Chrome OS and its host hardware compliment each other.

FORBES: First Impressions: Google Chromebook Pixel

It does seem likely, however, that Microsoft's Windows Phone platform could play host to Home before even iOS, as Zuckerberg's referred to the live-tile OS as falling "somewhere in between" due to the licenses involved.

ENGADGET