Articles from other sites about TGUP:
Help for Batch Files:
Windows Variables: https://support.microsoft.com/kb/886549
Commands and usage: https://www.robvanderwoude.com/batchfiles.php
Silent Switches:
https://wiki.german-unattended.de/index.php/Allgemein:Unbeaufsichtigte_Installation/Schaltertabelle_zur_Silent_Installation_von_Programmen
https://wpkg.org/Category:Silent_Installers
Source Code:
Browse Code Revisions: https://code.tgup.net
Subversion Code: https://svn.tgup.net
Related Apps:
AppUpdates (German): https://appupdate.de