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Top 20 linux interview questions and answers pdf ebook free download

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You'll likely be asked difficult questions during the interview. Preparing the list of likely questions in advance will help you easily transition from question to question.

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Top 20 linux interview questions and answers pdf ebook free download

  1. 1. Interview questions and answers – free pdf download Page 1 of 39 Top 20 linux interview questions and answers
  2. 2. Interview questions and answers – free pdf download Page 2 of 39
  3. 3. Interview questions and answers – free pdf download Page 3 of 39 Job interview checklist: - Pick out proper clothes. - Research the company. - Speak to past and present employees. - Run through questions you may be asked. - Practice with a friend or family member.
  4. 4. Interview questions and answers – free pdf download Page 4 of 39 TOP JOB INTERVIEW MATERIALS • http://jobinterview247.com/free-ebook-145-interview- questions-and-answers • http://jobinterview247.com/free-ebook-top-22-secrets-to- win-every-job-interviews • Top 7 job search, resume writing, job interview materials: http://interviewquestions68.blogspot.com/2017/02/top-7-job- interview-materials.html
  5. 5. Interview questions and answers – free pdf download Page 5 of 39 Tell me about yourself? This is probably the most asked question in linux interview. It breaks the ice and gets you to talk about something you should be fairly comfortable with. Have something prepared that doesn't sound rehearsed. It's not about you telling your life story and quite frankly, the interviewer just isn't interested. Unless asked to do so, stick to your education, career and current situation. Work through it chronologically from the furthest back to the present.
  6. 6. Interview questions and answers – free pdf download Page 6 of 39 What is Linux and why is it so popular? Linux is an operating system based on UNIX, and was first introduced by Linus Torvalds commonly used in servers.It is based on the Linux Kernel, and can run on different hardware platforms manufactured by Intel, MIPS, HP, IBM, SPARC and Motorola. Another popular element in Linux is its mascot, a penguin figure named Tux. Popularity of Linux is because of the following reasons It is free and open source. We can download Linux for free and customize it as per our needs. It is very robust and adaptable. Immense amount of libraries and utilities
  7. 7. Interview questions and answers – free pdf download Page 7 of 39 What Can You Do for Us That Other Candidates Can't? What makes you unique? This will take an assessment of your experiences, skills and traits. Summarize concisely: "I have a unique combination of strong technical skills, and the ability to build strong customer relationships. This allows me to use my knowledge and break down information to be more user-friendly."
  8. 8. Interview questions and answers – free pdf download Page 8 of 39 What is BASH? BASH is short for Bourne Again SHell. It was written by Steve Bourne as a replacement to the original Bourne Shell (represented by /bin/sh). It combines all the features from the original version of Bourne Shell, plus additional functions to make it easier and more convenient to use. It has since been adapted as the default shell for most systems running Linux.
  9. 9. Interview questions and answers – free pdf download Page 9 of 39 What is the basic difference between BASH and DOS? The key differences between the BASH and DOS console lies in 3 areas: - BASH commands are case sensitive while DOS commands are not; - under BASH, / character is a directory separator and acts as an escape character. Under DOS, / serves as a command argument delimiter and is the directory separator - DOS follows a convention in naming files, which is 8 character file name followed
  10. 10. Interview questions and answers – free pdf download Page 10 of 39 by a dot and 3 character for the extension. BASH follows no such convention.
  11. 11. Interview questions and answers – free pdf download Page 11 of 39 How do you change permissions under Linux? Assuming you are the system administrator or the owner of a file or directory, you can grant permission using the chmod command. Use + symbol to add permission or – symbol to deny permission, along with any of the following letters: u (user), g (group), o (others), a (all), r (read), w (write) and x (execute). For example the command chmod go+rw FILE1.TXT grants read and write access to the file FILE1.TXT, which is assigned to groups and others.
  12. 12. Interview questions and answers – free pdf download Page 12 of 39 How does case sensitivity affect the way you use commands? When we talk about case sensitivity, commands are considered identical only if every character is encoded as is, including lowercase and uppercase letters. This means that CD, cd and Cd are three different commands. Entering a command using uppercase letters, where it should be in lowercase, will produce different outputs.
  13. 13. Interview questions and answers – free pdf download Page 13 of 39 What could possibly be the problem when a command that was issued gave a different result from the last time it was used? One highly possible reason for getting different results from what seems to be the same command has something to do with case sensitivity issues. Since Linux is case sensitive, a command that was previously used might have been entered in a different format from the present one. For example, to lists all files in the directory, you should type the command ls, and not LS. Typing LS would either result in an error message if there
  14. 14. Interview questions and answers – free pdf download Page 14 of 39 is no program by that exact name exist, or may produce a different output if there is a program named LS that performs another function.
  15. 15. Interview questions and answers – free pdf download Page 15 of 39 How do you execute more than one command or program from a single command line entry? 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: ls –l cd .. ls –a MYWORK which is equivalent to 3 commands: ls -l cd.. ls -a MYWORK **Note that this will be executed one after the other, in the order specified.
  16. 16. Interview questions and answers – free pdf download Page 16 of 39 What is the advantage of open source? Open source allows you to distribute your software, including source codes freely to anyone who is interested. People would then be able to add features and even debug and correct errors that are in the source code. They can even make it run better, and then redistribute these enhanced source code freely again. This eventually benefits everyone in the community.
  17. 17. Interview questions and answers – free pdf download Page 17 of 39 What are the basic components of Linux? Just like any other typical operating system, Linux has all of these components: kernel, shells and GUIs, system utilities, and application program. What makes Linux advantageous over other operating system is that every aspect comes with additional features and all codes for these are downloadable for free.
  18. 18. Interview questions and answers – free pdf download Page 18 of 39 What is CLI? CLI is short for Command Line Interface. This interface allows user to type declarative commands to instruct the computer to perform operations. CLI offers an advantage in that there is greater flexibility. However, other users who are already accustom with using GUI find it difficult to remember commands including attributes that come with it.
  19. 19. Interview questions and answers – free pdf download Page 19 of 39 What is GUI? GUI, or Graphical User Interface, makes use of images and icons that users click and manipulate as a way of communicating with the computer. Instead of having to remember and type commands, the use of graphical elements makes it easier to interact with the system, as well as adding more attraction through images, icons and colors.
  20. 20. Interview questions and answers – free pdf download Page 20 of 39 Explain virtual desktop? This serves as an alternative to minimizing and maximizing different windows on the current desktop. Using virtual desktops, each desktop is a clean slate where you can open one or more programs. Rather than minimizing/restoring all those programs as needed, you can simply shuffle between virtual desktops with programs intact in each one.
  21. 21. Interview questions and answers – free pdf download Page 21 of 39 How do you share a program across different virtual desktops under Linux? To share a program across different virtual desktops, in the upper left-hand corner of a program window look for an icon that looks like a pushpin. Pressing this button will “pin” that application in place, making it appear in all virtual desktops, in the same position onscreen.
  22. 22. Interview questions and answers – free pdf download Page 22 of 39 What are daemons? Daemons are services that provide several functions that may not be available under the base operating system. Its main task is to listen for service request and at the same time to act on these requests. After the service is done, it is then disconnected and waits for further requests.
  23. 23. Interview questions and answers – free pdf download Page 23 of 39 What are the contents in /usr/local? It contains locally installed files. This directory actually matters in environments where files are stored on the network. Specifically, locally-installed files go to /usr/local/bin, /usr/local/lib, etc.). Another application of this directory is that it is used for software packages installed from source, or software not officially shipped with the distribution.
  24. 24. Interview questions and answers – free pdf download Page 24 of 39 What is command grouping and how does it work? You can use parentheses to group commands. For example, if you want to send the current date and time along with the contents of a file named OUTPUT to a second file named MYDATES, you can apply command grouping as follows: (date cat OUTPUT) > MYDATES
  25. 25. Interview questions and answers – free pdf download Page 25 of 39 Does it help for a Linux system to have multiple desktop environments installed? In general, one desktop environment, like KDE or Gnome, is good enough to operate without issues. It’s all a matter of preference for the user, although the system allows switching from one environment to another. Some programs will work on one environment and not work on the other, so it could also be considered a factor in selecting which environment to use.
  26. 26. Interview questions and answers – free pdf download Page 26 of 39 What is the importance of the GNU project? This so-called Free software movement allows several advantages, such as the freedom to run programs for any purpose and freedom to study and modify a program to your needs. It also allows you to redistribute copies of a software to other people, as well as freedom to improve software and have it released to the public.
  27. 27. Interview questions and answers – free pdf download Page 27 of 39 Top 6 tips for job interview
  28. 28. Interview questions and answers – free pdf download Page 28 of 39 Tip 1: Do your homework You'll likely be asked difficult questions during the interview. Preparing the list of likely questions in advance will help you easily transition from question to question. Spend time researching the company. Look at its site to understand its mission statement, product offerings, and management team. A few hours spent researching before your interview can impress the hiring manager greatly. Read the company's annual report (often posted on the site), review the employee's LinkedIn profiles, and search the company on Google News, to see if they've been
  29. 29. Interview questions and answers – free pdf download Page 29 of 39 mentioned in the media lately. The more you know about a company, the more you'll know how you'll fit in to it. Ref material: jobguide247.info/job-interview-checklist-40-points Tip 2: First impressions When meeting someone for the first time, we instantaneously make our minds about various aspects of their personality. Prepare and plan that first impression long before you walk in the door. Continue that excellent impression in the days following, and that job could be yours. Therefore:
  30. 30. Interview questions and answers – free pdf download Page 30 of 39 • Never arrive late. • Use positive body language and turn on your charm right from the start. • Switch off your mobile before you step into the room. • Look fabulous; dress sharp and make sure you look your best. • Start the interview with a handshake; give a nice firm press and then some up and down movement. • Determine to establish a rapport with the interviewer right from the start. • Always let the interviewer finish speaking before giving your response. • Express yourself fluently with clarity and precision.
  31. 31. Interview questions and answers – free pdf download Page 31 of 39 Useful material: jobguide247.info/top-10-elements-to-make-a- good-first-impression-at-a-job-interview Tip 3: The “Hidden” Job Market Many of us don’t recognize that hidden job market is a huge one and accounts for 2/3 of total job demand from enterprises. This means that if you know how to exploit a hidden job market, you can increase your chance of getting the job up to 300%. In this section, the author shares his experience and useful tips to exploit hidden job market.
  32. 32. Interview questions and answers – free pdf download Page 32 of 39 Here are some sources to get penetrating into a hidden job market: Friends; Family; Ex-coworkers; Referral; HR communities; Field communities; Social networks such as Facebook, Twitter…; Last recruitment ads from recruiters; HR emails of potential recruiters… Tip 4: Do-It-Yourself Interviewing Practice There are a number of ways to prepare for an interview at home without the help of a professional career counselor or coach or a fee-based service. You can practice interviews all by yourself or recruit friends and family to assist you.
  33. 33. Interview questions and answers – free pdf download Page 33 of 39 Useful material: jobguide247.info/free-ebook-75-interview- questions-and-answers Tip 5: Ask questions Do not leave the interview without ensuring that you know all that you want to know about the position. Once the interview is over, your chance to have important questions answered has ended. Asking questions also can show that you are interested in the job. Be specific with your questions. Ask about the company and the industry. Avoid asking personal questions of the interviewer and avoid asking questions pertaining to politics, religion and the like.
  34. 34. Interview questions and answers – free pdf download Page 34 of 39 Ref material: jobguide247.info/25-questions-to-ask-employers- during-your-job-interview Tip 6: Follow up and send a thank-you note Following up after an interview can help you make a lasting impression and set you apart from the crowd. Philip Farina, CPP, a security career expert at Manta Security Management Recruiters, says: "Send both an email as well as a hard-copy thank-you note, expressing excitement, qualifications and further interest in the position. Invite the hiring manager to
  35. 35. Interview questions and answers – free pdf download Page 35 of 39 contact you for additional information. This is also an excellent time to send a strategic follow-up letter of interest." Ref material: jobguide247.info/top-8-interview-thank-you-letter- samples Other materials from jobguide247.info • top 36 situational interview questions • 440 behavioral interview questions ebook pdf download • top 40 second interview questions • 136 management interview questions and answers ebook pdf download • top 30 phone interview questions
  36. 36. Interview questions and answers – free pdf download Page 36 of 39 • 290 competency based interview questions • 45 internship interview questions • 15 tips for job interview attire (dress code, clothes, what to wear) • top 15 written test examples • top 15 closing statements • 20 case study examples for job interview • top 25 scenarios interview questions • top 25 tips for interview preparation • top 10 tips to answer biggest weakness and strengths questions • tips to answer question tell me about yourself • 16 job application tips
  37. 37. Interview questions and answers – free pdf download Page 37 of 39 • top 14 job interview advices • top 18 best interview practices • 25 career goals examples • top 36 technical interview questions • 18 job interview exam samples • Q A 25 questions with answers • 12 followup email thank you letter samples • 15 tips for job interview withour no experience • 15 presentation ideas for job interview • 12 job interview role play examples • 10 job interview techniques • 11 job interview skills
  38. 38. Interview questions and answers – free pdf download Page 38 of 39 • tips to answer question why should I hire you • 25 interview questions to ask employer • 25 job interview assessment test examples • 15 tips to answer experience questions • 12 tips to answer education knowledge questions • 15 screening interview questions • 22 group interview questions • 22 panel interview questions • 22 case interview questions • top 12 tips for career development • top 9 career path tips • top 14 career objectives
  39. 39. Interview questions and answers – free pdf download Page 39 of 39 • top 12 career promotion tips • 11 performance appraisal methods (includes appraisal templates and forms) • top 28 performance appraisal forms • top 12 salary negotiation tips • top 9 tips to get high salary

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