One of my first jobs had a legacy application that was based on Clipper. I never had to work with it directly (since I worked on the SQL successor) but reading the source code was still fascinating.
Fish is really great for an interactive shell, I love using it. Not so great when it comes to scripting though. For example I think there's still no way to easily exit a script on error except to manually check exit codes.
However I haven't tried writing scripts in zsh yet, just sh/bash.
I like the general idea. I haven’t got the time to do more than skimming right now but I already feel that a single markdown file (especially without a table of contents) isn’t the right medium for this.
I use schemy [0] for non trivial config tasks in .NET projects. LISPs in general are well suited for this.
Very small implementations are easily done and data is code, it’s pretty great.
Of course, if one has already access to a Python runtime that is probably fine as well.
Interesting fact just for fun: Afghanistan shares a 76 km long border with China; this is where the biggest time zone jump occurs, an impressive 3.5 hours.
Is there anything equivalent for Windows? I heard of ProxyCap and Tunnelier, but I don't know the technical details of how those work - i.e. if they avoid TCP over TCP tunneling.
Semi off-topic: The wikipedia article on Ed Esber is in dire need of a clean up https://en.wikipedia.org/wiki/Ed_Esber