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$LASTEXITCODE
Learn $LASTEXITCODE in PowerShell with a construct-specific explanation, a unique example, a practical boundary, and a mastery check.
12 min read
•
Intermediate
$LASTEXITCODE is an atomic PowerShell topic inside Errors & Diagnostics. The example below uses the actual construct named by the lesson rather than a generic placeholder.
Focus on what $LASTEXITCODE 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
powershell-06-10-lastexitcode.ps1
powershell
Try It Live
cmd /c exit 7
$LASTEXITCODE
Edge case / engineering note
Change the key input in this PowerShell example and predict the result first; the named construct should be the reason the behavior changes.
Content source & attribution
Original Syntaxis Content · Original Syntaxis Content