How To Write Your First Hello World Program In C

Getting started

Have you ever wondered:

• How to get started with C?
• Where do I learn C language basics?
• Where do I find tutorials and courses on C programming?

These are the common questions asked by beginner C programming students. In this blog post tutorial, we will cover the basics of writing the first C Hello World program, with step-by-step instructions.

Prerequisites: 

This tutorial requires no prior knowledge of programming. You will learn how to write your first lines of code from scratch.

With the help of any text editor, you should be able to create a C program and specify the instructions in the C language. Then, thanks to a translator guy (a.k.a. “the compiler”), you should be able to translate it to the machine language. This is a language that the computer will understand and be able to execute.

Displaying “Hello World” in C

Once you know what a programming language is, then instead of telling the computer in English: 

// Display a "Hello World" message on the screen!

We will create a “hello_world.c” file in a text editor and specify the commands using the C language in the following way:

#include <stdio.h>
int main() {
   printf("Hello World!");
   return 0;
}

This would be your first program to print “Hello World!” in C (using the C language rules, syntax, and structure).

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