PowerShell is now in version 7, is open-source, runs on Windows, Linux, and macOS, has been rewritten on top of the .NET Core framework, and is now using .NET 9.0.

It also only runs on Windows. On the other hand, PowerShell is now at version 7.4, and is open-source, cross-platform, and has been rewritten to use the .NET Core framework. It runs on Windows ...

The document the NSA released today states that “PowerShell is essential to secure the Windows operating system,” particularly the newer versions that dealt away with previous limitations.