How Linux works

Linux and UNIX-based systems form the backbone of modern computing infrastructure, from personal computers to servers and supercomputers. Understanding how these systems work can greatly enhance your productivity and capability as a user or developer. This introductory course demystifies the Linux environment, guiding you through its fundamental concepts and practical use.

The contents of these course will give you the tools to interface with your computer at the speed of thought. Eventually, even with today’s hardware, you can become limited by the computer, and not the other way around.

Key topics covered include:

  • Introduction to UNIX/Linux: Explore the origins, philosophy, and basic structure of UNIX and Linux systems.

  • Shell Basics: Learn to interact efficiently with the Linux command line, including command execution, file management, and scripting.

  • Package Management: Learn how to install, update, and remove software packages using package managers like apt, yum, or dnf.

  • File System Organization: Understand the hierarchical nature of the Linux file system and best practices for navigating and managing files and directories.

  • Process Management: Gain insights into managing processes, understanding job control, scheduling, and monitoring system performance.

  • User Permissions and Security: Learn the essentials of file permissions, user and group management, and best practices for maintaining system security.

  • Networking Basics: Learn how computers communicate over networks, including basic networking commands and configuration. How to use SSH to connect to remote machines, and how to transfer files securely.

  • Managing Services: Understand how to manage Linux services, including starting, stopping, enabling, disabling, and troubleshooting using systemd or alternative init systems.

Throughout the course, participants will engage with hands-on exercises and practical examples, fostering a solid foundation in Linux usage and administration.

This course can be adapted to accommodate different skill levels, from absolute beginners to intermediate users seeking deeper insights into Linux and UNIX systems.