[Greg McKaskle]

A couple things.

NXT G is a close variant of LabVIEW. The rbt file is a VI with a custom extension. If you know NXT G and want to try LV, there are lots of new editor elements, but the language is closely related, just skinned for a younger audience.

As for source code control. Professional shops use it with LV, and the tool to diff text will of course not work well on LV VIs or on Photoshop files, pngs, or any other binary files. For that, you need a diff utility with knowledge of the content storage. The tool is in the Source Code Control menu item along with configuration for when to invoke SCC actions.

My input for learning any language is to take a guess at what work a well for you, and get started. If you get stuck, switch to one of the other methods. The methods most often used are ...
1. Read a book on the topic.
2. Take a class on the topic.
3. Open sample programs, or examples that perform something you are familiar with, and read them looking for the things you understand and the things you do not. Ask or investigate the things you do not. Then move on to other samples.

At some point you need to start writing or modifying code to see what happens.

Greg McKaskle