This document provides an introduction to Linux by Murtala Lawal. It discusses what Linux is, its history and development, popular desktop environments and distributions, programming in Linux, uses of Linux on desktops, servers, supercomputers, and other devices. It highlights benefits of Linux like security, stability, free cost, bundled software, easy updating and customization. It also discusses adoption of Linux in various sectors and countries. The document encourages readers to consider using Linux due to these advantages over other operating systems.