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C Tutorial

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Learn C

C is a general-purpose programming language, developed in 1972, and still quite popular.

C is very powerful; it has been used to develop operating systems, databases, applications, etc.

Start learning C now »

The C programming language is a widely recognized high-level language used to write operating systems, device drivers, software, and many other applications. It allows developers to work at the machine level and have greater control over computer resources. The C language was used to create the Windows and Linux operating systems, as well as many programs and libraries.

Examples in Each Chapter

Our Try it Yourself tool makes it easy to learn C. You can edit code and view the result in your browser:

Example

#include <stdio.h>

int main() {
  printf("Hello World!");
  return 0;
}
Try it Yourself »

Click on the "Try it Yourself" button to see how it works.

We recommend reading this tutorial, in the sequence listed in the left menu.

C Exercises

Test Yourself With Exercises

Exercise:

Insert the missing part of the code below to output "Hello World!".

int () {
  ("Hello World!");
  return 0;
}

C Quiz

Learn by taking a quiz! The quiz will give you a signal of how much you know about C.

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Learn by Examples

Learn by examples! This tutorial supplements all explanations with clarifying examples.

See All C Examples

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