C is a methodical programming language which was primarily developed by American Computer Scientist Dennis Ritchie in 1972. In order to write an operating system, C language was developed as a system programming language. Key features of the C language are: low-level memory access, a simple set of keywords, and a clean style. These features make C language suitable for system programmings like an operating system or compiler development. There are some advantages of learning C Programming. They are as follows: Learning C is comparatively easy Structured language Efficient programs are produced by C Low-level activities can be handled by C It can be compiled on various computer platforms Facts about C C was developed for writing an operating system called UNIX. The UNIX OS was completely written in C. Nowadays, C is the most widely used and popular System Programming Language. C is a successor of B language which was familiarized around the early 19