In this guide, you’ll learn five practical commands for discovering quick information about any binary command: its purpose, location, and type.
Linux systems come with thousands of commands and programs installed by default, but when you encounter an unfamiliar command in a tutorial, script, or colleague’s workflow, knowing how to quickly identify what it does and where it lives on your system becomes essential.
Understanding these basics helps you master Linux commands faster and makes you more confident when deciding which tools to use for specific tasks, whether working from the command line or writing scripts.