Mastering Linux Command Line

This course is designed to take you from zero to hero in mastering the Linux command line. Starting with a detailed introduction to the history and architecture of Linux, you will set up your lab environment and connect to Linux systems with confidence. You will learn to navigate directories, manipulate files, and execute fundamental commands that form the backbone of Linux system management. As you progress, the course dives into the intricacies of the Linux file system, command-line productivity tricks, and shell usage. You will explore user management, process control, file permissions, and the powerful “vi” editor. Additionally, you will learn advanced skills like redirection, command substitution, and creating your own commands with aliases, giving you full control over your system. Towards the end, you will expand your knowledge with hands-on sections covering job scheduling, text processing, and working with regular expressions. The course also covers critical topics like connecting to Linux via SSH, working with hard and soft links, and essential shell scripting basics. By the completion of this journey, you will have the confidence and skills to handle any Linux environment like a pro. This course is aimed at beginners and intermediate users who are looking to solidify their knowledge of the Linux command line. No prior Linux experience is necessary, but a basic understanding of operating systems would be beneficial.

• Level "0"
• In this module, we will introduce you to the course, outlining its objectives and structure. You'll gain insight into how to get the most out of your learning experience by understanding the course flow and recommended practices.
• Getting Started
• In this module, we will explore the foundational concepts of Linux, including its history, architecture, and essential features. You will learn to set up your lab environment, connect to a Linux machine, and navigate basic command structures.
• Understanding Linux File System
• In this module, we will dive into the structure and organization of the Linux file system. You’ll explore file types, paths, and naming conventions while mastering the commands needed to navigate and manipulate files efficiently.
• Working with Directories and Files
• In this module, we will focus on managing directories and files in Linux. You will learn to manipulate directories, view and edit file contents, and perform essential operations like copying, moving, and splitting files.
• Standard I/O & Redirection
• In this module, we will cover the standard I/O concepts and various redirection techniques. You’ll learn how to effectively control input and output streams and use pipes to chain commands for powerful data manipulation.
• Users, Groups & Switching User
• In this module, we will explore the concepts of users and groups within Linux. You'll learn about the root account, switching users, and using commands like su and sudo to manage permissions and security.
• File Attributes and Permissions
• In this module, we will delve into file attributes and permissions. You’ll learn to read and modify permissions, change file ownership, and understand how default permissions are set using the umask command.
• Editing Files using "vi" editor
• In this module, we will introduce you to the powerful vi editor. You’ll start with basic concepts and progressively learn advanced techniques for efficient text editing, enabling you to manage files with ease.
• Regular Expressions
• In this module, we will explore regular expressions, a powerful tool for text processing. You’ll learn the fundamentals of regex syntax and how to use them to perform complex searches and text manipulations.
• Text Processing - Filters & Searching
• In this module, we will focus on text processing and searching techniques. You’ll master commands like cut, paste, tr, and grep, which are essential for manipulating and searching through text data efficiently.
• Understanding Links (Hard & Soft/Symbolic)
• In this module, we will clarify the concepts of hard and soft links. You’ll learn how to create and manage these links, gaining a deeper understanding of file system references and their uses.
• The Process
• In this module, we will examine Linux processes, including their types and lifecycle. You’ll learn to view, manage, and control processes using various commands, ensuring efficient multitasking and system management.
• Scheduling Jobs
• In this module, we will delve into job scheduling techniques. You’ll learn how to automate tasks using cron jobs and other scheduling commands, allowing you to optimize and manage recurring tasks effectively.
• Handy Tools/Utilities
• In this module, we will introduce you to various handy tools and utilities in Linux. You’ll learn archiving techniques, how to gather system information, and how to perform critical system operations like shutdown and reboot.
• Connecting to Linux Systems
• In this module, we will explore the various methods for connecting to Linux systems. You’ll learn to establish secure SSH connections using tools like PuTTY and configure access from different operating systems.
• Customizing Shell Environment
• In this module, we will teach you how to customize your Linux shell environment. You’ll learn to modify the shell prompt, manage environment variables, and create aliases, tailoring the shell to your workflow.
• Shell Scripting Basics
• In this module, we will cover the absolute basics of shell scripting. You’ll learn how to create simple scripts, enabling you to automate routine tasks and streamline your work processes.
• Appendix & Miscellaneous
• In this module, we will guide you through the installation and configuration of VirtualBox and AWS. You’ll learn how to create and manage virtual machines, set up Linux instances, and connect to them securely.