Introduction

R is a programming language and software environment for statistical computing and graphics supported by the R Foundation for Statistical Computing. R was created by Ross Ihaka and Robert Gentleman at the University of Auckland, New Zealand was officially released on April 1, 1997. R language, written in C, Fortran, and R, is an open-source licensed under GNU General Public License.
R language is used with the R environment.
The R Environment
R is an integrated suite of software facilities for data manipulation, calculation, and graphical display. It includes
Operating System
R language can be used to write and interpret code on Windows, Unix, and Mac OS loaded machines.
R popularity
Recent growth in big data and need of big data analysis, charts, and reports, R popularity is growing day by day due to its use for data analysis, data manipulation, calculation, and graphical display.
Get started with R
You can visit the following to learn about R Language:
Here is full documentation:
References: