https://effective-shell.com/https://github.com/dwmkerr/effective-shellFor the newcomer, you'll learn what a shell is, how to use it on your system, and then how to become more effective everyday by integrating the shell into your work. For the experienced professional, there is a wealth of detailed tips and tricks in each chapter that go into advanced topics and techniques to make you even more of a power user.
...
This book assumes that you are using a Bash-like shell, most of these shells should operate in a similar way.
found while looking for a reference to parameter expansion
posed hear in the hope its useful
seams well written (though i may not be the best judge of this
) ,
with the intent of appealing to readers arriving from different OS's , skill level's , work flows ect ...