What is Linux Shell?

WHAT IS LINUX SHELL --- HOME --- COMMAND LINE

Terminal : GUI based login system.

X Term -> X Terminal

G Term -> Gnome Terminal

K Term -> KDE Terminal
Connecting via SSH : We get shell prompt as we login remotely.
Using console : Text-based login.

How to find current Shell name?

$cat /etc/shells

Lists all the available shells in our Linux distribution.