VirtualBox共享文件夹等高级特性
转自: http://blog.csdn.net/longerzone/article/details/32119457
http://www.oschina.net/translate/10-virtualbox-tricks-and-advanced-features-you-should-know-about?print
http://jingyan.baidu.com/article/2fb0ba40541a5900f2ec5f07.html
需要线安装增强包