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SignalR: Real-time Application Development by Einar Ingebrigtsen

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X server

In 1984, the X Window System (commonly known as X11) was introduced, originating from the Massachusetts Institute of Technology (MIT); a graphical user interface system. With it came a network protocol for enabling networked computers to connect to servers in a similar fashion to the terminals of the 70s, and a big step up from the text-based terminal with its graphical capabilities.

As with the terminal solution, the users' input would be sent to a server and the software the user was using would in fact run on that very server, and the result in the graphical user interface would then be sent back to the client machine. Again, leaving the client to be rather dumb and passive.

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