The C programming language is a computer programming language that was developed to do system programming for the operating system UNIX and is an imperative programming language. C was developed in the early 1970s by Ken Thompson and Dennis Ritchie at Bell Labs. C Language Introduction. C is a procedural programming language. ... The main features of C language include low-level access to memory, a simple set of keywords, and clean style, these features make C language suitable for system progr