Here's another interesting story from the DOS days: https://blogs.msdn.microsoft.com/larryosterman/2004/11/08/how-did-we-make-the-dos-redirector-take-up-only-2

Here's another interesting story from the DOS days: https://blogs.msdn.microsoft.com/larryosterman/2004/11/08/how-did-we-make-the-dos-redirector-take-up-only-256-bytes-of-memory/ https://blogs.msdn.microsoft.com/larryosterman/2004/11/08/ho...