Linux is an operating system kernel. It was originally written in 1991 by Linus Torvalds for his personal use, and it was soon adopted as the kernel for the GNU operating system, which was written to be a free (libre) replacement for Unix.
So, what even is GNU/Linux? What is free software? You must have so many more questions! Through this blog, we will try to understand what is linux, and why it is the most popular operating system in the world.