[Solved] Which PowerShell command syntax is correct for checking the OS platform in a cross-platform script? — Ans: if ($PSVersionTable.Platform -eq 'Unix') { Write-Host 'Linux or macOS' } | PowerShell

PowerShell - Cross-Platform PowerShell

Which PowerShell command syntax is correct for checking the OS platform in a cross-platform script?

Aif ($env:OS -eq 'Linux') { Write-Host 'Linux' }

Bif ($PSVersionTable.OS -eq 'Windows') { Write-Host 'Windows' }

Cif ($PSVersionTable.Platform -eq 'Unix') { Write-Host 'Linux or macOS' }

Dif ($Platform -eq 'Unix') { Write-Host 'Unix' }

Step-by-Step Solution

Solution:

Step 1: Identify correct property for OS platform
$PSVersionTable.Platform is the standard way to check OS platform in PowerShell Core.
Step 2: Check syntax correctness
if ($PSVersionTable.Platform -eq 'Unix') { Write-Host 'Linux or macOS' } uses correct syntax and property. Others use invalid or non-existent properties.
Final Answer:
if ($PSVersionTable.Platform -eq 'Unix') { Write-Host 'Linux or macOS' } -> Option C
Quick Check:
Use $PSVersionTable.Platform for OS check [OK]

Quick Trick: Use $PSVersionTable.Platform to detect OS [OK]

Common Mistakes:

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Which PowerShell command syntax is correct for checking the OS platform in a cross-platform script?