I answered an interesting SO question on that recently, which asked how to save and restore the environment in PowerShell. Turns out, the environment being in a

I answered an interesting SO question on that recently, which asked how to save and restore the environment in PowerShell. Turns out, the environment being in a PSDrive helps very much with that because you can treat the variables just like you treat files: # Save environment $savedState = Get-ChildItem Env: # Restore environment Remove-Item Env:* $savedState | ForEach-Object { Set-Content Env:$($_.Name) $_.Value }