versions of PowerShell. That way, you can use a standard command line interface to manage a variety of system types. This article explains how to install PowerShell on a Linux virtual machine as well as the differences between PowerShell and PowerShell Core.

bindings and common parameters like ErrorAction.

learn how to create constants and rename variables, taking your PowerShell variable usage to the next level.

content. One of the expressions that I tend to use in my PowerShell scripts on a regular basis is dollar sign underscore dot, (or $_.). Recently, I had someone ask me what those characters meant, and I realized that I have never really taken the time to explain the significance of this series of characters, or why they are used so frequently. So I want to take the opportunity to do that now.

especially useful when working with variables or when manipulating text strings. In this article, I'll discuss some of the many things that you can do with wildcards in PowerShell.