Which Linux command or utility is simple, powerful, and surprisingly unknown to many people or used less often?
This could be a command or a piece of software or an application.
For example I’m surprised to find that many people are unaware of Caddy, a very simple web server that can make setting up a reverse proxy incredibly easy.
Another example is fzf. Many people overlook this, a fast command-line fuzzy finder. It’s versatile for searching files, directories, or even shell history with minimal effort.
Since 1968
As for why: arbitrary choice, they just needed a printable character they could show on screen, for when people pressed it and the terminal echoed it back out to them.
Yes but I am not that old and never saw it anywhere. So while it makes as much sense as hjkl it is not beginner friendly.