Before going into R-programming, let us know about S-Programming ! , "S" is a language used for analysing data , S is also a statistical language developed at Bell Labs and its still being evolved.
R is a language and environment for statistical computing and graphics.
R-language is an implementation of S-language also R is open source (under GPL)
But where is R used ?
As R has wide functionalities in statistics and graphical techniques , they are used for :
linear and nonlinear modeling,
classical statistical tests,
R runs in machine with OS :
Mac (no support for mac classic)
R has become the most popular language for data science and an essential tool for Finance and analytics-driven companies such as :
At the same time C is a general purpose language with different syntax that of R language