Get Non-Windows OS's

Get-NonWindowsOS.ps1

function Get-NonWindowsOS {
    # Includes Disabled Servers and "Hyper-V Server*"
    Get-ADComputer -Filter * -Properties Name,OperatingSystem,OperatingSystemVersion,Enabled -ResultSetSize 1000000 |
     Where-Object {$_.OperatingSystem -notlike "Windows*"} |
     Select-Object Name,Enabled,OperatingSystem,OperatingSystemVersion | Sort-Object Name | FT -AutoSize
     # ,OperatingSystemHotfix,OperatingSystemServicePack
}