The Linux Interview Questions You Must Answer Correctly

In this series, am share to you some more advanced Linux management interview questions which you’re more likely to come across in your interview. These Linux management interview answers and questions will help you have an idea of what your potential interviewer will be asking you on the interview. It will definitely make the preparation process much more smooth and easier. And, by the way, if at any point during your interview for a Linux certification you feel like you’re not answering any of the questions well, don’t worry – you’re certainly not alone in this.

So, in this first part of my series on Linux interview questions, I’ll show you some command line based Linux commands. Specifically, these commands include but aren’t limited to: cd, log, and cp. Please pay particular attention to the order of these commands!

When we talk about user interface, of course we’re talking about how the Linux operating system displays its own menus, toolbars, and other features. So, in this Linux interview question, how should you answer “How do I access my home directory from here?” Let’s say, for instance, that you’re using a home directory of “My Document”. You could type in that command:

cd /home/My Document | command | Swap Space | home directory} If you hear nothing from your interviewer then that’s a pretty good sign that he doesn’t really know you. As I’ve said before, in case sensitive situations, you should memorize the command you type as you type it. Therefore, if your command requires a quote, you’d type that instead of the full command: cd My Document. This will ensure that your command doesn’t get interpreted by the shell unless you want that to happen.

In addition to remembering your commands exactly, you should also try to use your fingers more than your keyboard or mouse. For example, when typing, it is common for you to hit your mouse button just to be sure that you typed in a letter or number correctly. However, why not also use both your keyboard and mouse simultaneously? Please explain to me how this is possible in Linux. Please note that in case sensitive situations, you should not type using only your fingers.

Another command you may find intriguing is the root account command. The root account command is commonly used to show the root (or group) directory of the Linux system. Please explain to me how this works. The root account is used by the Linux system administrator ( root ) to be able to perform any actions or operations with the system. It is the users’ responsibility to make sure that the system is not in danger of being hacked.

If you have mastered the basics of Linux, then the last question you will find from Linux command line will not be a problem for you. Just remember that when you type in your commands, it will start the commands at the very bottom. Hence, your key combination will not be able to be detected. So, you must have enough confidence before entering your key combination.

You can also encounter some command lines which do not have an exact match to any existing command. In case sensitive situations, you can ignore such commands and just type the words which make sense to you. For example, the Linux password command does not always have an exact match to the password of the Linux system. What I usually do is to append a slash instead of a colon to the existing command line. As a matter of fact, it is better to use directory separator character to delimit the words as compared to single colon.

Some other command line options that may come up during the Linux Interview Questions are shell commands, control shells and Linux package management commands. Before typing any of these commands, please explain to me what they are. Please note that you are allowed to repeat a certain command if you understand its meaning. Otherwise, you are not permitted to demonstrate your command knowledge. If you cannot think of a clear explanation for any command, please explain it to the interviewer before proceeding with the next question.

Linux, unlike windows based operating systems does not provide a graphical user interface. So in order to interact with the Linux system, you will need to use a command line interface like the sl command prompt or a terminal like the tty command prompt. There is no need to get excited as there are many command line options and Linux comes with various popular and useful command line tools like the sl usage manager, the stp or the spoon usage manager etc. All you need to do is to know how to use them to access different levels of Linux user interface.

As you can see from above, a successful Linux user will be able to configure various components of the system and also to have root access to the server. In case you are wondering what is root access, you should know that Linux server maintains a hierarchy of user names and passwords. Each user of the system has their own login name and password. A Linux system administrator maintains and backs up all the data on the server and it is his/her job to make sure that your system is not attacked by any unauthorized user. So, in case if you are asked a question pertaining to root access, you need to answer with confidence that you will never be a root access holder.

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