What is C?

Let us start with a brief history of C and discover how to write the Hello World program in C.

We'll cover the following

C is a high-level programming language that was first developed by Dennis Ritchie at Bell Labs in the early 1970s.

Unix was one of the first operating systems to be written in C. Microsoft Windows, Mac OS X, and GNU/Linux are also written in C.

Lots of other high-level languages like Perl, PHP, Python, R, Matlab, Mathematica, etc., are written in C.

Currently (as of July 2012) C is #1 in popularity according to the TIOBE index.

Example Code

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