Using GUI interfaces like the Hyper-V Manager or System Center Virtual Machine Manager (SCVMM) makes managing Hyper-V quick and easy. However, many times you can do things more quickly if you have the right command line script ready to go. Or many times you have to use command line tools to manage Hyper-V if you want to trigger some action through a script. In this article, I will show you how to use Powershell to manage and configure Microsoft Hyper-V.

Source: http://www.virtualizationadmin.com/articles-tutorials/microsoft-hyper-v-articles/storage-management/administer-microsoft-hyper-v-command-line-cli.html