他们只是想要一个这样的操作系统，能让他们接收电子邮件、浏览网页，以及运行一些简单的办公应用程序。
They just want an operating system that will let them get email, browse the Web, and run a few simple office applications.
一个简单的例子可以演示应用程序在与主机操作系统交互时使用大页带来的资源节约。
A simple example can illustrate the potential savings for applications that use larger pages when interacting with the host operating system.
在PC机上有点复杂，但是它是免费的，你一般下载的软件，类似Linux的操作系统等等通常都需要，一个编译器，或者你可以运行一些简单的指令来获取。
It's a little more involved on a PC but it's all free, the software you can download, and Linux in similar operating systems generally come with a compiler or you run a simple command to get it.
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