Cardboard size adjustment adopts screw roller adjusting system, one man operating, simple and fast.

纸板尺寸调节采用丝杆调整机构，一人操作，简易快速。

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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.

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。

哈佛公开课 - 计算机科学课程节选

On the other hand, some viruses have caused so much damage that a simple reinstallation of the operating system was insufficient to repair them.

CNN: Technology - Analysis: Understanding viruses

If you want competition in operating systems, why not do the simple thing and break up the Windows company?

ECONOMIST: Divide and rule

Thanks to its simplicity, gOS Cloud boots in mere seconds, allowing people to check their e-mail and perform other simple web tasks without having to boot a full operating system.

ECONOMIST: Tech.view: On the web at warp speed | The