1500 Questions | Linux Essentials Certificate 2026

Core System Knowledge (15%): Understanding the purpose of Linux, essential terminal commands, and managing user accounts.

Core File Management (5%): Navigating the filesystem, understanding file types, and performing copy, move, and delete operations via CLI.

Core cdmp examen certified data management professional (5%): Implementing backup strategies and understanding fundamental data management concepts.

User Interfaces and Desktop Environments (5%): Installing, configuring, and customizing Linux desktop environments and shortcuts.

B. chown ashish report.txt

C. chgrp ashish report.txt

D. assign ashish report.txt

E. transfer ashish report.txt

F. usermod -owner ashish report.txt

Correct Answer: B

Explanation:

B (Correct): The chown (change owner) command is the standard utility for changing file and directory ownership in Linux.

C (Incorrect): chgrp is used specifically to change the group ownership, not the individual user owner.

D (Incorrect): assign is not a valid standard Linux command for file management.

E (Incorrect): transfer is not a valid command for changing file attributes.

F (Incorrect): usermod modifies a user's account settings in the system files, it does not change permissions on individual files.

Question 2: In the context of System Security, what is the primary purpose of the Secure Shell (SSH) protocol?

B. To provide a secure, encrypted channel for remote login and command execution.

C. To format hard drives over a local network.

D. To install graphical user interfaces on headless servers.

E. To bypass the need for user passwords.

F. To monitor hardware temperature in real-time.

Correct Answer: B

Explanation:

A (Incorrect): SSH is a communication protocol, not a web browser accelerator.

C (Incorrect): While you can run formatting commands via SSH, its primary purpose is the secure connection itself.

D (Incorrect): SSH is primarily text-based, though it can tunnel X11, its core purpose is secure remote access.

E (Incorrect): SSH actually enforces security and often requires passwords or cryptographic keys.

F (Incorrect): Hardware monitoring is handled by tools like lm-sensors, not the SSH protocol.

Question 3: Which directory in the Linux filesystem hierarchy typically contains system configuration files?

B. /home

C. /etc

D. /tmp

E. /dev

F. /boot

Correct Answer: C

Explanation:

A (Incorrect): /bin contains essential user command binaries (like ls or cp).

B (Incorrect): /home contains the personal files and folders for individual users.

D (Incorrect): /tmp is used for temporary files that are often cleared upon reboot.

E (Incorrect): /dev contains special files that represent hardware devices.

F (Incorrect): /boot contains the files needed to start the operating system, such as the kernel.

You can retake the exams as many times as you want

This is a huge original question bank

You get support from instructors if you have questions

Each question has a detailed explanation

Mobile-compatible with the Udemy app

30-days money-back guarantee if you're not satisfied