1- Write a script to print "welcome to this application, dude :)" to the screen (output)

2- Make the file executable

3- Run the file and get the output

• A bash script consists of a series of bash commands

• In scripting languages like bash, commands are executed line by line and in order

• Always use a shebang(#!) on top of your scripts; if excluded, the defualt shell will be used

• We write shell scripts to automate our command line interface(CLI)