https://nostarch.com/howlinuxworks3
https://linuxcommand.org/tlcl.php



mega list:
https://github.com/sindresorhus/awesome#contents

lists from that list:
https://github.com/alebcay/awesome-shell 
https://github.com/agarrharr/awesome-cli-apps 
https://github.com/chubin/awesome-console-services