It was probably more of a co-evolution as the design of the Internet and Unix solidified, building on earlier established principles. But you can see the same t

It was probably more of a co-evolution as the design of the Internet and Unix solidified, building on earlier established principles. But you can see the same thinking in both designs, the idea of plumbing together simple systems in a flexible way. A very successful approach since both TCP/IP and Unix-like computing are still in use today.