Top 20 Linux Interview Questions with Answers for 1 to 3 Years Experienced Developers

Hello guys, if you are preparing for Developer and DevOps interview and looking for Linux questions for interviews then you have come to the right place. Earlier, I have shared popular UNIX Interview questions and DevOps Interview Questions and in this article, I am going to share 20 common Linux questions from interviews with Answers. These questions covers essential Linux commands like Linux file system, permission model, Linux commands, shell and kernels etc. If you have worked in Linux then you can easily answer these questions but if you have forgot them then you can always join these best Linux courses to learn and revise key Linux concepts before interviews. 

10 Example of netstat networking command in UNIX and Linux

The netstat command is one of the most essential and useful networking command for Linux users. It is a general, all purpose network information tool which can be used to find out information about current network connections, multicast group membership, routing tables, network interface statistics and many other low-level details of the host's current network configuration. The good knowledge of netstat command is not only important from the troubleshooting perspective but also from security perspective. It gives useful security related information e.g. what network ports are currently "open" on your system and the list of current network connections and their states. 

How Long does It take To Learn Linux?

Hello guys, if you want to learn Linux but not sure how to start then you have come to the right place. Earlier, I have shared best places to learn Linux and best Linux books for beginners and Linux interview questions with answers and in this article, I Am going to share the best way to learn Linux and answer frequently asked question, how long does it take to Learn Linux. In general, you can learn Linux in one weekend but it can take weeks before you become a Linux master as there are a lot of Linux commands and concepts to master. In this article, I will answer this question objectively depending upon your goal, for example, for a developer it can take a  week to Learn Linux but for System Admin it could be months because they need more in-depth knowledge.