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PowerShell Exit and Exit Codes Guide

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Prerequisites and Basic Usage: Windows PowerShell or PowerShell Core installation required
Exit keyword terminates PowerShell console or script
Exit command returns control to current PowerShell session
Exit Codes: PowerShell stores exit code in $LASTEXITCODE variable
Default exit codes are 0 (success) and 1 (failure)
Custom exit codes allowed as integers
Windows supports 32-bit signed integers, Unix only 8-bit
Alternative Exit Methods: Break keyword stops loops and allows code execution to continue
Return keyword redirects code execution to call point
Return can return any type, unlike exit and break
Key Features: Exit command terminates only script, not entire session
Break keyword stops loops before execution completes
Return keyword allows redirecting code execution and returning values