[Bash] How do I write a simple 'Hello, World!' program in Bash?

To write a simple "Hello, World!" program in Bash, you can follow these steps:

  1. Open a text editor or a Bash script file.
  2. Start the script with the shebang #!/bin/bash to ensure it is executed using Bash.
  3. Write the following line of code:
    1echo "Hello, World!"
    The echo command is used to display text in the terminal.
  4. Save the file with a .sh extension, such as helloworld.sh.
  5. Open a terminal and navigate to the directory where the script is saved.
  6. Make the script executable by running the command:
    1chmod +x helloworld.sh
  7. Run the script by typing its name in the terminal:

You should see the output Hello, World! printed in the terminal.