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Linux Online Test

The Linux Online Test uses scenario-based MCQs to evaluate candidates on their knowledge of Linux operating system, including their proficiency in using Linux commands, file system, networking, shell scripting, and Linux administration. The test aims to evaluate a candidate's ability to work with Linux operating system efficiently and effectively and design and maintain Linux-based systems.

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Screen candidates with a 30 mins test

Test duration:  30 mins
Difficulty level:  Moderate
Availability:  Ready to use
Questions:
  • 12 Linux MCQs
Covered skills:
Linux command line
File system management
Process management
Networking
Security
Package management
Shell scripting
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Use the Linux Test to shortlist qualified candidates

The Linux Online Test helps recruiters and hiring managers identify qualified candidates from a pool of resumes, and helps in taking objective hiring decisions. It reduces the administrative overhead of interviewing too many candidates and saves time by filtering out unqualified candidates at the first step of the hiring process.

The test screens for the following skills that hiring managers look for in candidates:

  • Ability to effectively navigate and utilize the Linux command line
  • Proficiency in managing file systems on Linux
  • Ability to manage processes efficiently on Linux
  • Understanding of networking concepts and commands in Linux
  • Knowledge of security measures and practices in Linux
  • Proficiency in package management on Linux
  • Ability to write shell scripts for automation tasks
  • Capability to troubleshoot and resolve system issues on Linux
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Screen candidates with the highest quality questions

We have a very high focus on the quality of questions that test for on-the-job skills. Every question is non-googleable and we have a very high bar for the level of subject matter experts we onboard to create these questions. We have crawlers to check if any of the questions are leaked online. If/ when a question gets leaked, we get an alert. We change the question for you & let you know.

How we design questions

These are just a small sample from our library of 15,000+ questions. The actual questions on this Linux Online Test will be non-googleable.

🧐 Question

Medium

Debugging Issues
Environment Variables
Debugging
Solve
You are working on a Linux system and have recently installed a new program named myprogram. The executable is located in /opt/myprogram/bin/. You want to be able to run this program from any directory in your shell without specifying the full path.
You executed the following command:
export PATH="/opt/myprogram/bin"
However, when you try to run the program using myprogram, you get the following error message:
-bash: myprogram: command not found

Which of the following commands can fix this issue and allow you to run the program?
A: export PATH=$PATH:/opt/myprogram/bin/
B: export PATH="/opt/myprogram:$PATH"
C: export PATH="/opt/myprogram/bin:$PATH"
D: ln -s /opt/myprogram/bin/myprogram /usr/local/bin/myprogram

Easy

File Structure and Navigation
Files
Basic Commands
Solve
Consider the following directory structure:
 image
You start at /home/user and execute the following commands:
 image
What will be the resulting directory structure?
 image

Medium

Fork mellow yellow
Solve
How many times will the following code will print "Mellow Yellow"?
 image

Medium

Remote server connection
SSH
Solve
Our software engineering intern, Wu is looking to use port 4545 on localhost to connect to a remote server called woot.bananas.com on port 80. Which command would you recommend for this?
 image

Easy

Commands
Solve
Which of the following unix commands change the case of first three lines of file “classified” from lowercase to uppercase
 image

Easy

Expressions
Solve
What does this shell script output?
 image

Easy

Loops
Solve
What are fourth and sixth lines output by this script:
 image
🧐 Question🔧 Skill

Medium

Debugging Issues
Environment Variables
Debugging

2 mins

Linux
Solve

Easy

File Structure and Navigation
Files
Basic Commands

2 mins

Linux
Solve

Medium

Fork mellow yellow

2 mins

Linux
Solve

Medium

Remote server connection
SSH

2 mins

Linux
Solve

Easy

Commands

2 mins

Shell Scripting
Solve

Easy

Expressions

2 mins

Shell Scripting
Solve

Easy

Loops

2 mins

Shell Scripting
Solve
🧐 Question🔧 Skill💪 Difficulty⌛ Time
Debugging Issues
Environment Variables
Debugging
Linux
Medium2 mins
Solve
File Structure and Navigation
Files
Basic Commands
Linux
Easy2 mins
Solve
Fork mellow yellow
Linux
Medium2 mins
Solve
Remote server connection
SSH
Linux
Medium2 mins
Solve
Commands
Shell Scripting
Easy2 mins
Solve
Expressions
Shell Scripting
Easy2 mins
Solve
Loops
Shell Scripting
Easy2 mins
Solve

Test candidates on core Linux Hiring Test topics

Linux command line: The Linux command line refers to the text-based interface used to interact with the Linux operating system. It allows users to execute various commands, manage files and directories, perform system configurations, and automate tasks. Measuring this skill in the test assesses the candidate's ability to navigate and utilize the powerful command line interface in a Linux environment.

File system management: File system management involves the organization and manipulation of files and directories in a computer system. In the context of Linux, it includes creating, deleting, copying, moving, and modifying files and directories, as well as setting permissions and managing disk usage. This skill is measured in the test to evaluate the candidate's proficiency in handling file operations and effectively managing the file system in a Linux environment.

Process management: Process management in Linux refers to the control and monitoring of running processes. It encompasses tasks such as starting, stopping, pausing, and prioritizing processes, as well as monitoring their resource usage. Measuring this skill helps gauge the candidate's understanding of how processes work in Linux and their ability to efficiently manage and troubleshoot them.

Networking: Networking in the context of this test involves configuring network interfaces, setting up network connections, troubleshooting network issues, and managing network services in a Linux environment. This skill is measured to assess the candidate's knowledge and expertise in network configuration and administration, which is crucial for maintaining connectivity and ensuring smooth communication between systems.

Security: Security in Linux encompasses various measures and practices aimed at protecting the system from unauthorized access, data breaches, and other security threats. It includes tasks such as user authentication, authorization, file permissions, firewall setup, and vulnerability management. Measuring this skill enables recruiters to evaluate the candidate's understanding of Linux security principles and their ability to implement secure configurations.

Package management: Package management involves the installation, update, and removal of software packages in a Linux system. It includes using package managers like APT or YUM to search for and install software from repositories, as well as resolving dependencies and managing software versions. This skill is measured in the test to assess the candidate's familiarity with package management tools and their ability to effectively manage software installations and updates.

Shell scripting: Shell scripting refers to writing scripts or programs in shell languages like Bash to automate repetitive tasks, perform system configurations, and create complex workflows. It involves using control structures, variables, loops, and functions to execute commands and manipulate data. Measuring this skill helps evaluate the candidate's ability to write efficient and maintainable shell scripts, which are essential for automating tasks and optimizing Linux system administration.

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Have questions about the Linux Hiring Test?

What roles can I use the Linux Test for?

Here are few roles for which we recommend this test:

  • DevOps Engineer
  • Linux System Administrator
  • Network Administrator
  • Security Analyst
  • System Engineer
Can I combine the Linux Online Test with Shell questions?

Yes, recruiters can request a custom test that includes Linux and Shell scripting questions. Check out our Shell Online Assessment Test for more details on how we assess shell scripting skills.

How to use the Linux Online Test in my hiring process?

The Linux Online Test can be used as a pre-screening tool at the beginning of your recruitment process. You can add the test link to your job post or directly invite candidates via email. This helps in identifying skilled candidates early on.

Can I combine multiple skills into one custom assessment?

Yes, absolutely. Custom assessments are set up based on your job description, and will include questions on all must-have skills you specify. Here's a quick guide on how you can request a custom test.

How do I interpret test scores?

The primary thing to keep in mind is that an assessment is an elimination tool, not a selection tool. A skills assessment is optimized to help you eliminate candidates who are not technically qualified for the role, it is not optimized to help you find the best candidate for the role. So the ideal way to use an assessment is to decide a threshold score (typically 55%, we help you benchmark) and invite all candidates who score above the threshold for the next rounds of interview.

Does every candidate get the same questions?

Yes, it makes it much easier for you to compare candidates. Options for MCQ questions and the order of questions are randomized. We have anti-cheating/ proctoring features in place. In our enterprise plan, we also have the option to create multiple versions of the same assessment with questions of similar difficulty levels.

What is the cost of using this test?

You can check out our pricing plans.

I just moved to a paid plan. How can I request a custom assessment?

Here is a quick guide on how to request a custom assessment on Adaface.

What is Linux Online Test?

The Linux Online Test is designed to assess candidates' proficiency in various Linux skills. It evaluates their knowledge in command line, file system, process management, networking, security, package management, and shell scripting. This test is particularly useful for recruiters looking to hire for roles requiring Linux expertise.

What topics are evaluated in the Linux Online Test?

The Linux Online Test evaluates skills in command line, file system management, process management, networking, security, package management, and shell scripting.

Do you have any anti-cheating or proctoring features in place?

We have the following anti-cheating features in place:

  • Non-googleable questions
  • IP proctoring
  • Screen proctoring
  • Web proctoring
  • Webcam proctoring
  • Plagiarism detection
  • Secure browser
  • Copy paste protection

Read more about the proctoring features.

What experience level can I use this test for?

Each Adaface assessment is customized to your job description/ ideal candidate persona (our subject matter experts will pick the right questions for your assessment from our library of 10000+ questions). This assessment can be customized for any experience level.

I'm a candidate. Can I try a practice test?

No. Unfortunately, we do not support practice tests at the moment. However, you can use our sample questions for practice.

Can I get a free trial?

Yes, you can sign up for free and preview this test.

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