C Language is Very important for all of us Because C is a low-level Programming Language & Required fewer Resources. Also C Programming taught as first programming language to engineers. C is a mother of most of the other programming language like(C++, Java, Javascript, etc). C++ programming language is a super set of c language. It is a kind of backward compatible. Program Written in C Syntax Also Work in C++. C is Still Used because of its simple syntax, Easier, Lighter.

Application Written In C are:-

Windows, Linux, Mac OS, DBMS like Mysql are said to be written in c.