The Shell Points to remember: The terminal is a program that takes the command as input and hands it off to the shell. The shell is a program that creates an interface through which we can interact with the system kernel. Useful terminal shortcuts: ctrl + u -> clear the line ctrl + l -> clean it off ctrl + shift + t -> starts a new terminal ctrl + shift + n -> opens up a seperate terminal ctrl + shift + -> increases font size in the terminal ctrl - -> decreases font size in the terminal ------------------------------------------------------------------------------------------------------------------------------------------------------------------------- There are many shell environments available in Linux. You can check all the available shells in your system by issuing cat /etc/shells . You can install new shells as per your requirements. bk@linux:~$ cat /etc/shells /bin/sh /bin/bash /usr/bi