C Tutorial

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.

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

#include <stdio.h>

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

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.

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

Track your progress with the free "My Learning" program here at W3Schools.

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