In this video we will be learning
how to use looping statements such as for and while
loop in shell script with an example to print
numbers from 1 to 20
Some shortcuts and keys used
Ctrl+Alt+T --- To open Terminal Window
i --- To Switch to Insert mode in Vi editor.
Esc ---Switch to Command mode.
:w -- Save and continue editing.
:wq or ZZ -- Save and quit/exit vi editor.
`: Single quote is below esc key
Make sure to leave proper space for a expression