Bash Hello World! Script Tutorial

As with any Programming or Scripting Language, let us take a look at the very basic two lines script called "Hello World!" in Bash!

The best way to learn and write Shell Scripts is by making use of editors like vi or nano, in this example, we will make use of nano,

Step by Step Hello World! Bash Scripting Example

1. Open Terminal,
   
2. Type nano helloWorld.sh and press enter, this will open Nano Editor for you,
   
3. Write the below code,

   #!/bin/bash          
   echo Hello World!

   
4. Press Control + X and then Y to save.
5. Now run command chmod +x helloWorld.sh just to make sure we can execute this script,
6. Type ./helloWorld.sh

Congratulations! You ran you first bash script successfully!