Listar fuentes de Widnwos y Linux

En powerShell

Get-ItemProperty "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Fonts" | 
Select-Object -Property * | 
ForEach-Object { $_.PSObject.Properties.Name } | 
Sort-Object | 
Out-File "$env:USERPROFILE\fuentes_windows.txt" -Encoding utf8

En Linux

fc-list : family | sort | uniq > fuentes_linux.txt

Para comparar

comm -12 <(sort fuentes_windows.txt) < (sort fuentes_linux.txt)