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DevOps Engineer - Factorial Calculation (Shell Script) Test | Pre-employment assessment - Testlify
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DevOps Engineer - Factorial Calculation (Shell Script) Test

Overview of DevOps Engineer - Factorial Calculation (Shell Script) Test

Factorial calculation (shell script): implement a shell script that calculates the factorial of a given number and prints the result.

Skills measured

  • Linux System Administration
  • Shell Scripting
  • Coding knowledge - Bash
  • Coding knowledge - Python
  • Monitoring and Logging
  • Coding knowledge

Available in



Coding Test


10 Mins





Use of DevOps Engineer - Factorial Calculation (Shell Script) test

The "Factorial Calculation (Shell Script)" coding test challenges DevOps Engineers to create a shell script that calculates the factorial of a given number. The task involves writing a script that accepts a number as input and computes its factorial. DevOps Engineers need to demonstrate their proficiency in shell scripting, command-line operations, and mathematical calculations.

This test evaluates their ability to handle numeric inputs, perform factorial calculations, and generate accurate results using shell scripting. It is particularly relevant for DevOps Engineers looking to showcase their skills in scripting and automation using shell scripts for tasks involving mathematical computations and data processing.

Relevant for

  • Cloud Engineer
  • DevOps Engineer
  • Automation Engineer
  • Deployment Engineer
  • Infrastructure Engineer
  • Systems Engineer
  • Site Reliability Engineer (SRE)
  • Release Engineer
  • Build Engineers

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Linux System Administration

Linux System Administration skills covered in the Factorial Calculation (Shell Script) project include managing permissions, executing shell scripts, and troubleshooting errors. These skills are important for DevOps Engineers as they are responsible for maintaining and configuring servers, ensuring smooth operation of the system, and automating tasks to improve efficiency. Understanding Linux System Administration allows DevOps Engineers to effectively manage resources, troubleshoot issues, and optimize performance, ultimately contributing to the successful deployment and operation of software applications.


Shell Scripting

Shell scripting is a crucial skill for DevOps engineers as it allows for automation and streamlining of tasks within the infrastructure. In the Factorial Calculation shell script, engineers can write code to calculate the factorial of a given number, demonstrating their ability to manipulate variables, use loops and conditional statements, and understand basic arithmetic operations. This skill is important as it enables engineers to create efficient, repeatable processes that save time and reduce human error in managing and maintaining the infrastructure.


Coding knowledge - Bash

In the DevOps Engineer - Factorial Calculation (Shell Script) project, coding knowledge in Bash is crucial for writing a script that calculates the factorial of a given number. Bash scripting is essential in DevOps for automating tasks, managing infrastructure, and deploying applications. Understanding Bash commands, loops, conditionals, and functions is important for creating efficient and reliable scripts. By mastering Bash scripting, DevOps engineers can streamline processes, improve productivity, and ensure consistency in their workflow. This skill is essential for DevOps engineers to effectively manage and optimize their systems.


Coding knowledge - Python

In the DevOps Engineer - Factorial Calculation (Shell Script) project, coding knowledge in Python is essential for implementing the factorial calculation algorithm. Python is a versatile and powerful programming language commonly used in DevOps for automation, scripting, and data manipulation tasks. Understanding Python allows DevOps engineers to efficiently write and execute scripts for tasks such as factorial calculations. By mastering Python skills, DevOps engineers can streamline processes, automate repetitive tasks, and improve overall efficiency in their workflows. This knowledge is crucial for building scalable and reliable systems in a DevOps environment.


Monitoring and Logging

Monitoring and logging are crucial skills for a DevOps Engineer working on factorial calculation (Shell Script). Monitoring involves tracking the performance and health of the factorial calculation script in real-time, ensuring that it is running efficiently and effectively. Logging involves recording important events, errors, and outputs of the script for analysis and troubleshooting purposes. These skills are vital for identifying and resolving issues quickly, optimizing the script's performance, and ensuring the reliability and stability of the factorial calculation process. Monitoring and logging also help in identifying trends and patterns, enabling continuous improvement and optimization of the script.


Coding knowledge

In the Factorial Calculation (Shell Script) exercise for DevOps Engineers, coding knowledge skills are essential for understanding how to write efficient and functional scripts in the shell language. This includes understanding basic syntax, variables, loops, and functions. These skills are important for automating tasks, such as calculating factorials, in a DevOps environment. By mastering these coding skills, DevOps Engineers can streamline processes, improve efficiency, and reduce manual errors in their daily tasks. This exercise helps them develop the necessary skills to excel in their roles and contribute effectively to their teams.

The DevOps Engineer - Factorial Calculation (Shell Script) test is created by a subject-matter expert

Testlify’s skill tests are designed by experienced SMEs (subject matter experts). We evaluate these experts based on specific metrics such as expertise, capability, and their market reputation. Prior to being published, each skill test is peer-reviewed by other experts and then calibrated based on insights derived from a significant number of test-takers who are well-versed in that skill area. Our inherent feedback systems and built-in algorithms enable our SMEs to refine our tests continually.

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