Checkout this book: A deepness in the sky. In the far future, humanity has ships which are mostly automated and don't need actual pilots. However they need tec

Checkout this book: A deepness in the sky. In the far future, humanity has ships which are mostly automated and don't need actual pilots. However they need tech guys to constantly fix and patch the software. They have to know a lot of the history of the software to be good at their job. The hero is basically the last member of humanity who knows what the unix epoch means.