> For the complete documentation index, see [llms.txt](https://handbook.bsdcn.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://handbook.bsdcn.org/di-24-zhang-xu-ni-hua/24.1.-gai-shu.md).

# 24.1.概述

虚拟化软件允许多个操作系统在同一台计算机上同时运行。这类软件系统通常包含一个运行虚拟化软件的宿主操作系统，并支持任意数量的客体操作系统。

通过阅读本章，你将了解：

* 宿主操作系统与客体操作系统之间的区别；
* 如何在以下虚拟化平台上安装 FreeBSD：
  * Parallels Desktop（Apple® macOS®）
  * VMware Fusion（Apple® macOS®）
  * VirtualBox™（Microsoft® Windows®、基于 Intel® 的 Apple® macOS®、Linux）
  * QEMU（FreeBSD）
  * bhyve（FreeBSD）
* 如何调整 FreeBSD 系统以在虚拟化环境中获得最佳性能。

在阅读本章之前，你应当：

* 理解 [UNIX® 和 FreeBSD 的基础知识](/di-3-zhang-freebsd-ji-chu/3.1.-gai-shu.md)；
* 了解如何 [安装 FreeBSD](/di-2-zhang-an-zhuang-freebsd/2.1.-gai-shu.md)；
* 了解如何 [设置网络连接](/di-34-zhang-gao-ji-wang-luo/34.1.-gai-shu.md)；
* 了解如何 [安装额外的第三方软件](/di-4-zhang-an-zhuang-ying-yong-cheng-xu-ruan-jian-bao-he-ports/4.1.-gai-shu.md)。


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