#TOPICS OF SHELL SCRIPTING
1.She-Bang & Comments
2.Print
3.Variables
4.Inputs read special-variable
5.Redirectors & Exit Status & Quotes
6.Conditions
7.Functions
8.Loops
9.SED
https://www.youtube.com/watch?v=1A3K9VMBjxk&list=PLLmNg_q93mewjx90hth8-5IvuYaMsJmAo