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Readme.md

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-### VM
+### Virtual Machine (VirtualBox)
 You can find an image of a virtual machine with a running installation of the MT system here: https://pub.cl.uzh.ch/projects/squoia/squoia_1_1.ova
 
 In order to use it, you need to install VirtualBox: If you're running Linux, there is a good chance VirtualBox is available through your package management, otherwise see see https://www.virtualbox.org/wiki/Downloads