INTRODUCTION. There are so many Linux distributions but the one thing they all have in common is the Linux Kernel. A lot of people talk about the Linux kernel but most of them don't really know what it does. Each operating system uses a kernel without which you can't have a computer that actually works. You may see and interact with a lot of different software but it is the kernel underneath that does much of the less glamorous work. In this article, we're going to look at Linux kernel and why it is needed. What Exactly is the Linux Kernel? The Linux Kernel is the main component of a Linux operating System and is the core interface between a computer's hardware and its processes. It communicates between the two,managing resources as efficiently as possible. It is technically incorrect to refer to Linux as a complete operating system. Linux actually refers specifically to the kernel which was named after its founder Linus Torvalds. It is named the kernel b