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Environment variables
Learn Environment variables in PowerShell with a construct-specific explanation, a unique example, a practical boundary, and a mastery check.
Environment variables is an atomic PowerShell topic inside Automation & System. The example below uses the actual construct named by the lesson rather than a generic placeholder.
Focus on what Environment variables changes: the input, binding, control path, object state, collection, runtime effect, or language contract. Then alter one value and verify that the behavior changes for a reason specific to this feature.
Topic-specific example
$env:SYNTAXIS_MODE="dev"
$env:SYNTAXIS_MODE
Change the key input in this PowerShell example and predict the result first; the named construct should be the reason the behavior changes.