[Tutor] Turning a "script" into an "application"

[Alan Gauld]

> Yes, this will only handle one connection at a time. If you want to
> write a server to handle a lot of connections concurrently, there
are
> two main approaches. They are nicely illustrated by two different
> webservers.

To be honest if you only need one request at a time - ie you only use
one UI option at once - then pipes are even easier than sockets.
The advantage of sockets is that you could have all three UI options
running at once communicating with the same back end scanning server.

Alan G.