Answer: Yes, I do agree. Linux was written for x86 machine and has been ported to all kind of platform. Linux made a very promising future in mobile phone, Tablets. In-fact we are surrounded by Linux in remote controls, space science, Research, Web, Desktop Computing. The list is endless. Explain Linux Shell? Answer: For executing any commands user uses a program known as the shell.
Linux shell is basically a user interface used for executing the commands and communicating with Linux operating system. Go through the Linux video to get a clear understanding of concepts. What is tail command in Linux? Answer: tail command displays the last part of a file. Instead, you want to check what your logs say about the most recent request to your application. What is the alternative method to a GUI installation in Linux?
Answer: Linux provides textbase installation as the alternative method of GUI installation. Enlist some Linux distributors Distros along with its usage? Answer: Different parts of LINUX say kernel, system environment, graphical programs, etc are developed by different organizations. LINUX Distributions Distros assemble all these different parts of Linux and give us a compiled operating system to be installed and used.
There are around six hundred Linux distributors. Linux Mint: It uses cinnamon and mates desktop. It works on Windows and should be used by newcomers.
Debian: It is the most stable, quicker and user-friendly Linux Distributors. Arch Linux: Every package is to be installed by you and is not suitable for the beginners. How do you combine two lines from two sorted files in Linux? Answer: Use this command: comm file1 file2. What is the core of the Linux Operating System?
Answer: The kernel is the core of the Linux Operating System. The backups are maintained in Compressed file format. You need to examine a log, two months old. Tell us the difference between Telnet and SSH?
Answer: Telnet and SSH both are communication protocol which is used to manage the remote system. SSH is Secured, which requires exchanging of the key opposite of telnet which transmits data in plain text, which means telnet is less secure than SSH. How will you do it? What are the modes used in VI editor? Answer: There are 3 types of modes in vi Editor: Regular mode or command mode Insertion mode or edit mode Replacement mode or Ex mode What does Sar provide?
Answer: The ext3 file system is an enhanced version of the ext2 file system. The most important difference between Ext2 and Ext3 is that Ext3 supports journaling. After an unexpected power failure or system crash also called an unclean system shutdown , each mounted ext2 file system on the machine must be checked for consistency by the e2fsck program.
This is a time-consuming process and during this time, any data on the volumes is unreachable. The journaling provided by the ext3 file system means that this sort of file system check is no longer necessary after an unclean system shutdown. The only time a consistency check occurs using ext3 is in certain rare hardware failure cases, such as hard drive failures. The time to recover an ext3 file system after an unclean system shutdown does not depend on the size of the file system or the number of files.
Rather, it depends on the size of the journal used to maintain consistency. The default journal size takes almost a second to recover, depending on the speed of the hardware.
Which daemon controls the print spooling process? What is Linux pwd print working directory command? To find the full path of the current directory Store the full path Verify the absolute and physical path. What is know about grep commands? This command is used for matching a regular expression against text in a file.
This command performs pattern-based searching and only the matching lines are displayed as output. It makes use of options and parameters that are specified along with the command line. Then the command will be as follows:. How to reduce or shrink the size of LVM partition? Answer: Below is the logical steps to reduce the size of the LVM partition : Unmount the filesystem using unmount command, Use resize2fs command , e.
Most in-depth, the industry-led curriculum in Linux. Which command is used to delete a group? Answer: The groupdel command. What is the role of case sensitivity in affecting the way commands are used? Answer: Linux is considered as cases sensitive. Case sensitivity can sometimes serve as the reason for displaying different answers for the same command as you might enter the different format of commands each time.
In terms of case sensitivity, the command is the same but the only difference occurs with regard to uppercase and lowercase letters. Answer: No! Linux Kernel contains 12,, Lines of codes out of which 2,, lines are comments.
So remaining 9,, lines are codes and out of 9,, Lines of codes 7,, are written in C Programming Language. Note: The Number of Lines of codes varies on a daily basis and an average of more than 3, lines are being added to Kernel. How do you terminate an ongoing process? Answer: Use the kill command followed by the PID in order to terminate that process. To terminate all process at once, use kill 0.
Learn how to use Linux, from beginner basics to advanced techniques, with online video tutorials taught by industry experts. Enroll for Free Linux Training Demo! What is the root account in Linux? Answer: The root account is like a systems administrator account, and allows full control of the system.
How can you find out how much memory Linux is using? The root account is like a systems administrator account and allows full control of the system. Answer: It is always required to keep a check on the memory usage in order to find out whether the user is able to access the server or the resources are adequate.
There are roughly 5 methods that determine the total memory used by Linux. Free command: This is the most simple and easy to use the command to check memory usage. Go through the Linux video to get a clear understanding of concepts.
Let us see some of the important ones UBuntu: It is a well known Linux Distribution with a lot of pre-installed apps and easy to use repositories libraries. It is very easy to use and works like a MAC operating system. Linux Mint: It uses cinnamon and mates desktop. It works on Windows and should be used by newcomers. Everyday Things Question What you'll learn top linux interview questions and answers common linux questions and answers typical linux questions and answers introduction to linux linux for If the question is not here Subscribers can zero in on answers to time-critical questions in a matter of seconds.
Read the books on your Bookshelf from cover to cover or sim-ply Top Linux questions and answers. How to install Ubuntu. As of today we have 77,, eBooks for you to download for free. After completion of below form downloading status will be change automatically after few seconds so don't go away or TOP Unix Interview Questions and Answers pdf free download.
This directory matters in environments where files are stored on the network. Another application of this directory is that it is used for software packages installed from source, or software not officially shipped with the distribution. Every process in the system is identified by a unique process id or pid.
Use the kill command followed by the pid to terminate that process. To terminate all process at once, use kill 0. Comments are created by typing the symbol before the actual comment text. This tells the shell to completely ignore what follows. You can use parentheses to group commands.
You can combine several commands by separating each command or program using a semicolon symbol. For example, you can issue such a series of commands in a single entry:. Answers: a there should be space between the 2 options: ls -l -s b do not use commas to separate arguments: cat file1 file2 c there should be no space between hyphen and option label: ls —s Factdir.
To color the Git console, you can use the command git config—global color. In the command, the color. To find a file you have to use a command, find. It will look for the current directory for a file called process. To create a folder, you have to use command mkdir. To view the text file, go to the specific folder where the text files are located by using the command cd and then type less filename. By using nohup. It will stop the process receiving the NOHUP signal and thus terminating it you log out of the program which was invoked with.
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