What is Linux?
Linux is the free and open-source operating system. Linux - based system is a modular UNIX like operating system, deriving much of its basic design from UNIX. Linux was primarily written in C language. Linus Torvalds released the first kernel on September 17,1991. Now, Linux is packaged and used in desktop and server as Distribution which is commonly known as ' distro '. Arch Linux, CentOs, Debian,Fedora,Linux Mint,OpenSUSE, Ubuntu .. etc are most popular Linux distribution.