https://www.howtogeek.com/howto/ubuntu/keyboard-shortcuts-for-bash-command-shell-for-ubuntu-debian-suse-redhat-linux-etc/php
https://www.tecmint.com/linux-command-line-bash-shortcut-keys/html
https://www.ostechnix.com/list-useful-bash-keyboard-shortcuts/linux
https://wiki.archlinux.org/index.php/Keyboard_shortcutsshell
https://www.techrepublic.com/blog/10-things/10-keyboard-shortcuts-to-improve-your-linux-experience/ubuntu
https://help.ubuntu.com/stable/ubuntu-help/shell-keyboard-shortcuts.html.enbash