C: Introduction

Start learning C with a quick overview and Hello World.

Read time: 1 min • Words: 45

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← C: C Introduction C: Variables →

C — Introduction

Overview

C is a low‑level systems language used for OS, embedded, and performance‑critical code.

Hello World

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

What you'll learn

How to run C
Basic syntax style
Next steps (lessons & references)

Next

Open the Syntax & Cheat Sheet page for this language.

← C: C Introduction C: Variables →