This document assumes that you have already made room on your hard disk for anadditional operating system.

本文档假设你已经在硬盘上为另外一个操作系统准备了空间。

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Now that your hard disk has been created, you install your new operating system on it.

现在已经创建好硬盘，可以在上面安装新操作系统。

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Prior to the installation of the operating system and software, first of all need to partition and format the hard disk, and then to use the hard drive to preserve all kinds of information.

安装操作系统和软件之前，首先需要对硬盘进行分区和格式化，然后才能使用硬盘保存各种信息。

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As we approach the general availability of ultrabooks with the Windows 8 operating system it looks like the largest sales for ultra-thin computers will include a hard disk drive as well as flash memory.

FORBES: Digital Storage Needs the Right Stuff