Bash Hello World

Bash Hello World

In Bash scripting, writing a 'Hello, World!' program is a classic exercise that helps you get started with the basics of shell scripting.

Syntax

#!/bin/bash
echo "Hello, World!"

The basic syntax involves using the echo command to print the string 'Hello, World!'.

Creating a Bash Hello World Script

To write a 'Hello, World!' program in Bash, follow these steps:

  1. Open a text editor and copy the following script:
#!/bin/bash
echo "Hello, World!"
  1. Save the file with a .sh extension, for example, hello_world.sh.
  2. Make the script executable by running the command: chmod +x hello_world.sh.
  3. Run the script by executing: ./hello_world.sh.

After following these steps, you should see 'Hello, World!' printed to the console.

Running the Hello World script in Bash

Conclusion

Writing a 'Hello, World!' program in Bash is a fundamental exercise for learning shell scripting. It introduces you to the basic syntax and execution of Bash scripts, providing a solid foundation for more advanced scripting tasks.