[blackmamoth]

As of now there is no way to take user input in transit, so either the user is required to have the privilege to execute the specified command or have passwordless sudo available.

And Yeah, now that you've mentioned it multiple shorter gifs would be better.

[mrbluecoat]

Or https://asciinema.org/ instead of gifs

[blackmamoth]

I did use asciinema for creating the demo, but since there is no support for it to play in markdown, I went ahead and created a gif using agg.