50+ Linux Commands before joining a Company (Developer Cheatsheets: Make the best 1st day impression)

Best way to master LINUX COMMANDS in 2 hours. Includes Linux Command CHEATSHEET (goldmine).

Linux and its variants like Ubuntu, RedHat, OpenSUSE and others are the preferred development workspace for most serious developers today.

For interviews, it is important to have an idea of basic Linux commands as not being comfortable in using Linux will be a red flag in Coding Interviews.

This book “50+ Linux Commands before joining a Company” will prepare you to use Linux in a way a professional developer would use. You can fit in any developer group instantly and will feel confident in using your UNIX computing system.

The first chapter is the LINUX COMMANDS cheatsheet. This is a goldmine. This will help you get the core idea of over 50 important Linux commands within 30 minutes. You should revisit and revise this cheatsheet every 2 months.


In the following chapters, we have covered over 50 commands in depth with examples and explanation, and this will enable you to use Linux efficiently for any basic development work. All commands are important and has been chosen by analyzing the development work done in top companies.

High level ideas we have covered are:

• Get hardware details about your system
• Get software details about your system
• Running and handling processes efficiently and in background
• Handling file system
• Other key commands

At the end, we have present key advices of using Linux that will make you a “great developer” clearly.

Let us get started directly by capturing the details of the current computing system.
This is important so that you can share the details along with the main work (may be an application or benchmark data) so it is reproducible.

This book is for:

• Students preparing for Coding Interviews.
• Developers who plan to work in a company as a developer.
• Developers joining their first full-time job or internship in few days and want to make the best first impression.

Get started with this book and change the equation of your career.

Book: 50+ Linux Commands before joining a Company
Authors (2): Aditya Chatterjee, Benjamin QoChuk

About the authors:
Aditya Chatterjee is an Independent Researcher, Technical Author and the Founding Member of OPENGENUS, a scientific community focused on Computing Technology.
Benjamin QoChuk is a Computer Science Researcher, Inventor and Software Developer. He has worked several companies across USA and Japan and is currently, an Academic Researcher at OPENGENUS.His educational background include Bachelors at Vanderbilt University and PhD in Computer Science at Peking University.

Published: August 2020 (Edition 1)
Updated: September 2024 (Edition 4)
Pages: 71
Publisher: © OpenGenus