C Programming Tutorial

C Tutorial

C is a general-purpose, procedural, imperative computer programming language developed in 1972 by Dennis M. Ritchie at the Bell Telephone Laboratories to develop the UNIX operating system. C is the most widely used computer language. It keeps fluctuating at number one scale of popularity along with Java programming language, which is also equally popular and most widely used among modern software programmers.


This tutorial is designed for software programmers with a need to understand the C programming language starting from scratch. This tutorial will give you enough understanding on C programming language from where you can take yourself to higher level of expertise.


Before proceeding with this tutorial, you should have a basic understanding of Computer Programming terminologies. A basic understanding of any of the programming languages will help you in understanding the C programming concepts and move fast on the learning track.

Execute C Online

For most of the examples given in this tutorial you will find Try it option, so just make use of this option to execute your C programs at the spot and enjoy your learning.

Try following example using Try it option available at the top right corner of the below sample code box −

#include <stdio.h>

int main() {
   /* my first program in C */
   printf("Hello, World! \n");
   return 0;