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虚拟机一般用来干嘛 虚拟机对电脑伤害大吗

更新时间：2026-08-22 05:22:43 | 编辑：争议 | 信息来源：互联网

　　虚拟机指的是在自己当前使用的操作系统基础上，安装并利用专门的虚拟机软件，虚拟出若干台计算机，这些虚拟的多台计算机每台有各自的CPU，内存，硬盘，光驱，软驱，网卡，声卡，键盘，鼠标，串口，并口，USB口等硬件设备，当然这些硬件都是虚拟的，实质上它们还是用计算机中相应的硬件，这些虚拟的计算机可以独立运行，安装各自的操作系统，应用软件，杀毒软件等等，就好像平时用计算机一样使用它们，也可以让它们连成一个网络。

　　真实计算机称为物理机，虚拟出来的计算机称为虚拟机，一台物理机上能虚拟出多少台虚拟机取决于物理机的硬盘容量，为一台虚拟机分配4G的硬盘空间，可以一次就为其分配4G的物理硬盘空间供其使用，能同时开机的虚拟机数量取决于物理机硬件配置，主要是CPU和内存，尤其是内存，因为虚拟机的CPU，内存这两个关键硬件资源都是使用物理机的CPU和内存，所以同时运行越多台虚拟机，对物理机的CPU和内存消耗也越大，速度越慢。在笔记本电脑上运行虚拟机相对台式电脑会慢点，毕竟笔记本电脑的硬盘读写速度比较慢，而虚拟机需要大量且经常读写硬盘。

　　虚拟机对电脑伤害大吗

　　其实虚拟机也是运行在电脑上的一个普通软件，只是占用内存较多，就要看你设置新虚拟机时分了多少内存而定，在虚拟机里装系统不会伤害实体机的，它只是一个软件，所有操作都在软件里运行！不过小编并不建议同时多开几个带图形界面的虚拟机，运行上会非常卡。

上一篇：笔记本电脑没有声音了怎么恢复？

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