17. WHICH command in Linux | Linux from zero to advanced | Linux crash course

Publicado el: 18 marzo 2026
en el canal de: SRE Chronicles

🔎 WHICH Command in Linux | Find the Exact Path of a Command

In this video, you will learn how to use the which command in Linux to identify the exact location of an executable file. The which command searches through the directories listed in your $PATH environment variable and shows the full path of the command that will be executed in the terminal.

This is an essential tool for Linux beginners, system administrators, DevOps engineers, and SRE professionals who want to understand how Linux resolves commands internally.

📌 In this lesson, we cover:

What the which command does

Basic syntax and usage

How Linux uses the $PATH variable

Finding multiple command versions using which -a

Limitations of which

Difference between which and type

Whether you are preparing for Linux certifications (LPIC, RHCSA), working in DevOps, or building strong Linux fundamentals, understanding how commands are resolved in the system is critical.

💡 Master the basics. Build strong foundations. Become confident in Linux.

#Linux #LinuxTutorial #DevOps #SRE #LinuxCommands #SysAdmin #IT #Cloud #BeginnerToAdvanced #GrigTechAcademy

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