I spent almost 10 years doing IT for a company whose backend was based entirely on as/400. If you've ever used a system like that, I'm sure you know where this is going... The console's that the front-desk or clerical users used every day had a steep learning curve. It was something that you would definitely not be able to walk up to and just intuit. However , once you figured it out, there is never going to be a fas…
I just hate programs that change patterns that are standard everywhere else. E.g. 99% of software uses control+c and control+v to do copy and pasting, so of course software that maps it to something totally different is going to be very frustrating. The same thing with vim using nonstandard way of quitting. Discoverability is another problem. You can have weird keyboard commands, but make it possible to find them wit…
"Control-C sends SIGINT" has been a standard for longer than "Control-C means copy".