Some Javascript Tour Libraries

Here’s a list of JS tour libraries that are open source and currently maintained. Tour libraries provide a way for site designers to create guides that will show the features of a website via a walk through of pop-up dialog boxes. They’re really handy for complex sites.

howtogeek.com: How to Use the fold Command on Linux

howtogeek.com: How to Use the fold Command on Linux.
https://www.howtogeek.com/538778/how-to-use-the-fold-command-on-linux/