·        C is a general-purpose high level language.
·        C language was initially developed by Dennis Ritchie in year 1972 for the UNIX operating system.
·         It is a mid-level structured oriented programming language.
·        It is a procedural programming language.
·        It is a successor of 'Basic Combined Programming Language' (BCPL) called B language.
·        Today C prog language is the most widely used System Programming Language.
·        C prog language has been written in assembly language. 
·    It is extremely popular, simple and flexible. 
·    C prog language is machine - independent, structured programming language which is used extensively in various applications.
·        Linux OS, PHP, and MySQL are written in this programming language.
·        Uses of C language:-
        1.  Assemblers
        2.  Compilers
        3.  Network Drivers
        4.  Language Interpreters
        5.  Operating Systems
        6.  Database Systems
 
·        All the C programs are written into text files with extension ".c" for example demo.c.
·        Programs written in C are highly portable.
·        C prog language does not provide Object Oriented Programming (OOP) concepts.
·    This is a robust language with a rich set of built-in functions and operators.