The Unix model is really useful in my systems thinking precisely because thousands of components all use the stream in/out approach. This made then reliable within a system to be used together in many different combinations and interactions.
Also a good example of loose coupling that allows for good thinking of systems.
Also a good example of loose coupling that allows for good thinking of systems.
In school we watched the 1990 movie [MindWalk](http://www.imdb.com/title/tt0100151/). You can watch it on YouTube https://youtu.be/Uec1CX-6A38