This course "Linux Command-Line Journey Day-1" will provide guided walk-through of Linux Command-line. This hopes to help all users who are new to Linux and Command-line world and also experienced users who may want to refresh their skills. During this course, It will be really helpful if you have access to bash shell command-prompt via Linux System or Virtual machine or online Linux Terminals. Best to learn anything is start practicing. So start typing commands on the terminal during this courses. This course layout and brief description about each session is follows : Intro to author and course This is an optional session. If you think you have a very short time for this course then I would highly recommend you to skip this session and proceed to next session. This won't affect your overall course experience. Know your location and Where am I? This is the session where real course begins. Here we will try to understand what happens when you login to Linux system. How you will land into a specific pre-defined environment. We will also explore files which are related to login process. What's a command and how to create file or directory? In this session, we will figure-out what is a command ? We will also try to understand environmental variable (namely PATH). In a funny way, we will learn how to create a empty file and directory. Analyze ls command output: We will look into most frequently used command in the Linux world, ls. We will examine the output of ls command and discuss about each pieces to gain better understanding. What is . and .. ? This session continues from previous "analyze ls command output" session, where we will explore about '.' and '..' entries. With the help of ls command we will dig these entries for better understanding. Inodes and absolute/relative paths: This is our final session, where will discuss about inodes. This course ends basic introduction to absolute and relative pathnames.