C has been around for quite some time and it is one of the foundational languages of computer science. Most operating systems today, including the Linux Kernel, are implemented with C code. The main version of the Python programming language is named CPython because it is implemented using C. The C programming language is everywhere, learning it will help you become a better programmer ready for the next challenge in any field of computer science!
This course is a great introduction to both fundamental programming concepts and the C programming language. It will start with those fundamental programming concepts before digging deeper into the more advanced C topics, like pointers and structures.
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I know from first-hand experience that you can go in knowing zero, nothing, and just get a grasp on everything as you go and start building right away.
Learn about the basics of the C programming language in this introductory course!
Earn a certificate of completion 15 hours to complete in total
Beginner
1 lesson, 1 quiz, 1 project
1 lesson, 1 quiz, 1 project
1 lesson, 1 quiz, 1 project
1 lesson, 1 article, 1 quiz, 1 project
2 lessons, 1 quiz, 1 project
1 lesson, 1 article, 1 quiz, 1 project
1 lesson, 1 quiz, 1 article, 1 project
1 lesson, 1 quiz, 1 project
Welcome to the learn-c.org free interactive C tutorial.
Whether you are an experienced programmer or not, this website is intended for everyone who wishes to learn the C programming language.
There is no need to download anything - Just click on the chapter you wish to begin from, and follow the instructions. Good luck!
learn-c.org is still under construction - If you wish to contribute tutorials, please click on Contributing Tutorials down below.
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Our Try it Yourself tool makes it easy to learn C. You can edit code and view the result in your browser:
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
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.
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C programming 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.
Why to Learn C Programming?
C programming language is a MUST for students and working professionals to become a great Software Engineer specially when they are working in Software Development Domain. I will list down some of the key advantages of learning C Programming:
Easy to learn
Structured language
It produces efficient programs
It can handle low-level activities
It can be compiled on a variety of computer platforms
Facts about C
C was invented to write an operating system called UNIX.
C is a successor of B language which was introduced around the early 1970s.
The language was formalized in 1988 by the American National Standard Institute [ANSI].
The UNIX OS was totally written in C.
Today C is the most widely used and popular System Programming Language.
Most of the state-of-the-art software have been implemented using C.
Just to give you a little excitement about C programming, I'm going to give you a small conventional C Programming Hello World program, You can try it using Demo link.
#include int main[] { /* my first program in C */ printf["Hello, World! \n"]; return 0; }Applications of C Programming
C was initially used for system development work, particularly the programs that make-up the operating system. C was adopted as a system development language because it produces code that runs nearly as fast as the code written in assembly language. Some examples of the use of C are -
Operating Systems
Language Compilers
Assemblers
Text Editors
Print Spoolers
Network Drivers
Modern Programs
Databases
Language Interpreters
Utilities
Audience
This tutorial is designed for software programmers with a need to understand the C programming language starting from scratch. This C tutorial will give you enough understanding on C programming language from where you can take yourself to higher level of expertise.
Prerequisites
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.