The Complete Practical Docker Guide - How Shell Understands that You Have Entered a Command

This video tutorial explains how Linux commands are recognized and executed by the shell. It covers the importance of the PATH variable, which contains directories where executable files are located, allowing commands to be run directly from the terminal. The tutorial also differentiates between regular and executable files and discusses the structure of commands, including arguments and options. Additionally, it provides guidance on how to get help for specific commands.

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