Command-line utilities were built with these streams in mind. PowerShell, on the other hand, understands these streams but has its own as well. When invoking command-line utilities from PowerShell, ...

PowerShell is a command line interface tool, ... The program is named Shell because it is the outermost layer of an operating system. ... you simply have to click on the Run Script button.

Windows Insider. DSC and PowerShell's OneGet: The Future of Configuration Manager? This combination may end up being the command-line replacement for System Center Configuration Manager.