function Test-IsUnixPlatform {
<#
.SYNOPSIS
    Returns true if the platform is Unix
    This is as opposed to Windows. Mac is a subset of Unix.
#>
    [CmdletBinding()]
    [OutputType([bool])]
    param (
    )

    $platform = $PSVersionTable.Platform
    return (![string]::IsNullOrWhiteSpace($platform) -and $platform -eq "Unix")
}