It is an operating system known for being developed as an open-source software meaning that the underlying source code can be used, modified and redistributed commercially and non-commercially under the GNU General Public License (GPL).
It is popularly used for servers primarily for its low cost to set-up being under the GNU GPL.
In June 1971, R ichard M atthew S tallman joined MIT Artificial Intelligence Laboratory as a programmer where he gained popularity with the hacker community and came to be known by his now popular name RMS .
At that time, all the programmers used to share their code freely among each other cutting across various institutions
Linux distributions (often called distros for short) consist of a large collection of software applications such as word processors, spreadsheets, media players and database applications built on a Linux kernel.