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Linux Interview Questions And Answers : There are many aspects of Linux that you may have never heard of, but understanding these can help you in your career as a Linux system administrator.

Linux Interview Questions And Answers

There are many aspects of Linux that you may have never heard of, but understanding these can help you in your career as a Linux system administrator. In this article, we will go over a few Linux questions and answers to start off with.

While Linux is a popular operating system for developers, it can be difficult to learn the basics of the OS. This blog article provides answers to commonly-asked Linux Interview Questions so you can impress in your next interview.

What is the history of Linux?

Linux is not just a technology. It’s also the history of technology. Linux was created in 1991 by Linus Torvalds while working on a personal operating system he called MINIX. It was based on MINIX, an operating system for learning about computers. Linux Interview Questions

Linux is an operating system that was originally created by Linus Torvalds in 1991, who is the creator of the programming language “C”. Linux has since then risen to be one of the most popular Operating Systems.

Who created Linux?

Linux is an operating system or a kernel which germinated as an idea in the mind of young and bright Linus Torvalds when he was a computer science student.
He used to work on the UNIX OS (proprietary software) and thought that it needed improvements.

Introduction of Linux Interview Questions]

This blog covers how Linux can be used by businesses to provide a competitive advantage over other systems. Linux offers many advantages that are reliable and will always be in demand.

The most important aspect of Linux is its open-source nature. If you are using Linux, you will most likely need to learn about the history of the project, what makes it unique, and how it is used. Linux is an open-source software that uses a free operating system.

It’s mostly used by small or medium businesses and has many benefits. This blog provides Linux interview questions and answers so people can learn about this software before taking on a job interview.

What are the benefits of Linux

Many developers like to use Linux because it is free, open-source, and more reliable. However, there are many more benefits that can be found when using Linux. People who use the terminal on their desktop might find these benefits: Linux is an emerging alternative to Microsoft, which has made many users who are skeptical about switching to Linux think twice.

The decision to use Linux comes with plenty of benefits due to its flexibility. Companies can use it for cross-platform compatibility because all major operating systems are available. (Linux Interview Questions)

The graphical user interface that comes with the Linux distribution also makes it easier for users to work with different software without too much effort.
Linux is a powerful operating platform made up of both free and open-source software. It’s often the choice of businesses who find it affordable, flexible, more effective, and cost-saving over their current solutions.

How to get Certified of using Linux

You can apply for the Linux Certified Engineer exam by acquiring a number of certifications in the field. The LCE is an international certification, which helps you to prove your competency in Linux administration. You have to have an appropriate credential to apply for this exam.

Linux is a software operating system, which means it’s more than just the kernel of the system. There are multiple ways to get certified for using Linux, but they all point to having your terminal open and your username set to “root”.

Certification of Linux

Certification of Linux is one of the many benefits of being a Linux professional. It allows you to verify your skills and abilities. There are three levels that one can earn for certifications, which is an indication no matter what level you have attained or looking for. Many people are interested in Linux Certification Training.

However, more applicants are hiring Linux instructors due to the increasing demands for certified professional Linux professionals.
The key criterion of certification is continuing education. You need a total of 50 hours to be awarded the Certified Professional status. The Certification of Linux helps you to prove your skills, knowledge, and abilities to employers who are looking for individuals with the necessary skills to make use of Linux.
It is a vendor-neutral certification that can be utilized by many companies which account for about 80% of all Linux users worldwide.

Who can choose Linux?

Users, who are new to Linux, usually shun it by falsely considering it as a difficult and technical OS to operate but, to state the truth, in the last few years Linux operating systems have become a lot more user-friendly than their counterparts like Windows, so trying them is the best way to know whether Linux suits you or not.

There are thousands of Best Linux software available based on the Linux Kernel; most of them offer state-of-the-art security and applications.

Why to choose Linux?

UNIX is called the mother of operating systems which laid out the foundation to Linux. Unix is designed mainly for mainframes and is in enterprises and universities.

While Linux is fast becoming a household name for computer users, developers, and server environments. You may have to pay for a Unix kernel while in Linux it is free.

But, the commands used on both the operating systems are usually the same. There is not much difference between UNIX and Linux. Though they might seem different, at the core, they are essentially the same.

Why OS is required in Linux?

Linux Interview Questions 
Every time you switch on your computer, you see a screen where you can perform different activities like writing, browsing the internet, or watching a video. Well, it is the operating system or the kernel which does this work. So, to work on your computer, you need an Operating System(OS). In fact, you are using one as you read this on your computer.

Now, you may have used popular OS’s like Windows, Apple OS X, but here we will learn introduction to Linux operating system, Linux overview, and what benefits it offers over other OS choices.

What is the difference between a distribution and a package?

A distribution is a Linux-based operating system that is designed to be extremely easy to install and use for a majority of people. The package is a collection of libraries, utilities, and other software that can be installed on the distribution.

A distribution is a package, but it also includes an init system and other utilities which make the distribution easier to use and maintain. Distribution includes all packages for a particular operating system. Upon installation, the distribution is able to provide access to lots of software that may not be available in one package or through any other means.

A package is a bundle of files that provides an application with its default settings and can be distributed separately.


The biggest benefit of using Linux is that it’s more convenient for both the interviewer and the interviewee since their familiarity with the subject is on par with one another. They are also sure to get an outcome faster which can be very beneficial.Linux Interview Questions 

Frequently Asked Questions

What is Linux used for?
How to learn Linux?
How to install Linux?
Difference between UNIX and Linux?

It looks very interesting while reading about Linux.
Hope the article is useful for you to clear your mind.

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Question and Answer

Linux is an operating system based on UNIX and was first introduced by Linus Torvalds. It is based on the Linux Kernel and can run on different hardware platforms manufactured by Intel, MIPS, HP, IBM, SPARC, and Motorola. Another popular element in Linux is its mascot, a penguin figure named Tux.

  • Unix originally began as a propriety operating system from Bell Laboratories, which later on spawned into different commercial versions. On the other hand, Linux is free, open source and intended as a non-propriety operating system for the masses.

The Linux Kernel is a low-level systems software whose main role is to manage hardware resources for the user. It is also used to provide an interface for user-level interaction.

Swap space is a certain amount of space used by Linux to temporarily hold some programs that are running concurrently. This happens when RAM does not have enough memory to hold all programs that are executing.

Open source allows you to distribute your software, including source codes freely to anyone who is interested. People would then be able to add features and even debug and correct errors that are in the source code. They can even make it run better and then redistribute these enhanced source code freely again. This eventually benefits everyone in the community.

Just like any other typical operating system, Linux has all of these components: kernel, shells and GUIs, system utilities, and an application program. What makes Linux advantageous over other operating system is that every aspect comes with additional features and all codes for these are downloadable for free.

The key differences between the BASH and DOS console lie in 3 areas:

– BASH commands are case sensitive while DOS commands are not;

– Under BASH, / character is a directory separator and \ acts as an escape character. Under DOS, / serves as a command argument delimiter and \ is the directory separator

– DOS follows a convention in naming files, which is 8 character file name followed by a dot and 3 characters for the extension. BASH follows no such convention.

This so-called Free software movement allows several advantages, such as the freedom to run programs for any purpose and freedom to study and modify a program to your needs. It also allows you to redistribute copies of software to other people, as well as the freedom to improve software and have it released for the public.

The root account is like a systems administrator account and allows you full control of the system. Here you can create and maintain user accounts, assigning different permissions for each account. It is the default account every time you install Linux.

GUI, or Graphical User Interface, make use of images and icons that users click and manipulate as a way of communicating with the computer. Instead of having to remember and type commands, the use of graphical elements makes it easier to interact with the system, as well as adding more attraction through images, icons, and colors.

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