LINUX INTERVIEW QUESTIONS AND ANSWERS 2022
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The document provides an overview of important Linux concepts, such as the boot loader, kernel, init system, daemons, and graphical server, along with interview questions and answers. It emphasizes the advantages of choosing Linux, including its open-source nature, reliability, and versatility compared to other operating systems. Additionally, the document touches on the history of Linux and clarifies terms like 'bash' and the difference between DOS and bash.
LINUX INTERVIEW QUESTIONS AND ANSWERS 2022
- 2. LINUX INTERVIEW QUESTIONS PART 1- WORKING OF THE LINUX Boot loader – Boot loader is the software behind the management of the boot process of a certain computer. Kernel – The kernel is a piece of the complete system known as Linux. It manages the memory, peripheral devices, and central processing unit of the system. Init system – The init system is a sub-system and helps in bootstrapping the userspace. Daemons – The daemons refer to the background service that starts during the boot or after the user logs in to the system. Graphical server – The sub-system behind displaying graphics on the desktopscreen is the graphical server. The different pieces of the Linux operating system are:
- 3. LINUX INTERVIEW QUESTIONS AND ANSWERS PART 2: REASONS TO CHOOSE LINUX Many people have doubts about choosing the Linux operating system over others. The question comes as to why to choose a computing environment that is completely different while the other operating systems available work pretty well. To answer this question, another question can arise that is the prior operating system good enough to fight the virus, malware threats, and various system crashes. Linux operating system is the best platform to fight these hindrances. Linux defined its place as the most reliable and versatile computer ecosystem that can help the users in many ways. It gives many opportunities for individuals to create the best experience with an amazing computer environment.
- 4. OPEN SOURCE FEATURE- LINUX There is freedom in case of running the program let it be for any need. There is also freedom for studying the working of the program, and necessary changes can be done according to individual wishes. The user also gets to help the neighbors by redistributing the copies. The user can even distribute the modified version to others by making copies of it. It is very important for every person who works with the Linux platform to understand the above-mentioned points for their benefit. The open-source license is the governing agent for Linux distribution. The key features of an open-source are as follows:
- 5. LINUX INTERVIEW QUESTIONS AND ANSWERS What do you understand by Linux? 1. Linux is the operating system that is open source in nature and is based on UNIX. Linus Torvalds is behind the innovation of this operating system. The essential purpose behind the introduction of Linux is to provide a free of cost and virus protected operating system to the general public. It comes as a boon for the users who are not able to purchase the Windows, iOS, and UNIX servers.
- 6. 2. What does BASH stand for? Bourne Again Shell is the full form of BASH. Steve Bourne is the man behind BASH. It works as a default shell for almost all Linux systems ever since its adaptation. 3. Differentiate between DOS and BASH. The major difference between the two above mentioned commands is that the former is not case sensitive while the latter is absolutely case sensitive. DOS usually follows conventions whereas; BASH does not follow any convention while naming the files.
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