linux is an opensource operating system. it has both text and graphical based operating system. Mostly we communicate with commands only below are the basic commands in linux
– in os there is a special program is called “shell”.
– shell is interpretor
– shell takes the commands from user and execute it.
– and it will gives the result as user understandable.
Types of Shell:
– bash shell
– C shell
– K shell
– T shell
NOTE: each shell does the same task in different way, syntax and functionality is different.
– default shell in Linux is BASH.
Q)TO check the available shells in your system
Q)TO find your current shell?