Linux Basic Interview Questions And Answers
Linux is a powerful open-source operating system that is freely available for anyone to use and share. Built around the Linux kernel, it can be installed on a wide array of devices, including mobiles, computers, laptops, and video game consoles. To excel in a Linux-related job, having a solid understanding of UNIX, SQL, Networking, different Linux distributions, and the Linux kernel itself is crucial.
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Essential Linux Basic Interview Questions and Answers
Here are some commonly asked Linux basic interview questions along with their answers:
What is Linux?
Answer: Linux is an open-source operating system that comes from Unix. It provides a stable and secure environment for running various applications and services.
What are the main components of the Linux operating system?
Answer: The key components of Linux include the kernel, shell, and file system. The kernel is the core of the operating system, managing hardware resources. The shell acts as the command-line interface where users can type commands, and the file system is responsible for organizing and storing data on different devices.
How do you change permissions on a file in Linux?
Answer: To change file permissions in Linux, you use the “chmod” command. For example, to let the owner of the file read, write, and execute, the command would be: chmod u+rwx filename.
What is the difference between “rm” and “rmdir” commands?
Answer: The “rm” command can delete both files and directories, even if they contain data. In contrast, the “rmdir” command is used exclusively for removing empty directories.
How do you check the disk usage in Linux?
Answer: To check disk usage in Linux, the “df” command is handy. By running df -h, you can see a summary of disk space usage across all mounted file systems in an easily readable format.
What is a symbolic link in Linux?
Answer: A symbolic link, or soft link, is a special file that points to another file or directory. This function allows you to create shortcuts or references to files located in different parts of your file system.
How do you find files in Linux?
Answer: To search for files in Linux, you would use the “find” command. You can set search criteria, such as the file name, size, or last modified date to help locate the files you need.
How do you archive and compress files in Linux?
Answer: In Linux, you can use the “tar” command to archive files, while “gzip” or “bzip2” will compress the resulting archive. For example, to create a compressed tar file, you might use: tar -czvf archive.tar.gz files.
These are just a few basic Linux interview questions and answers. Remember to practice and explore more to deepen your understanding of the Linux operating system. You can download the PDF below.
In this PDF, we are providing you with 150+ Linux Basic Interview Questions and Answers that can help you secure a job. Download the Linux Basic Interview Questions and Answers in PDF format using the link provided below.