Unix Online Trivia Quiz

15 Questions | Total Attempts: 4623
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Unix Quizzes & Trivia

UNIX is an operating system which was first developed in the 1960s, and has been under constant development ever since and was essential in the development of internet and networking. It is a stable, multi-user, multi-tasking system for servers, desktops and laptops. Take up this Unix online trivia quiz and test how much you know about the system and its uses.

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Questions and Answers
  • 1. 
    In Bourne shell, you have to EXPORT the declared environmental variables.
    • A. 

      True

    • B. 

      False

  • 2. 
    What does "../.." stand for ?
    • A. 

      Current directory

    • B. 

      Up one directory

    • C. 

      Up two directories

    • D. 

      None of Above

  • 3. 
    What does cd/ mean in UNIX?
    • A. 

      Current directory

    • B. 

      Root directory

    • C. 

      Up one directory

    • D. 

      None of the above

  • 4. 
    Which variable gives the exit status of the last command executed in the shell?
  • 5. 
    How will you assign the value of variable var2 to var1?
    Discuss
    • A. 

      Var1=var2

    • B. 

      $var1=$var2

    • C. 

      Var1=$var2

    • D. 

      $var1=var2

  • 6. 
    In UNIX, it is possible for more than one file descriptor to point to same file.
    • A. 

      True

    • B. 

      False

  • 7. 
    Which of these is true about assign a null value to the variable in bash?
    • A. 

      A=""

    • B. 

      A=

    • C. 

      A=''

    • D. 

      All of above

  • 8. 
    Command to change owner of the file in UNIX.
    • A. 

      Chowner

    • B. 

      Chown

    • C. 

      Both

    • D. 

      None

  • 9. 
    How many prompts are available in a UNIX system?
    • A. 

      One

    • B. 

      Two

    • C. 

      Three

    • D. 

      Zero

  • 10. 
    What is the purpose of the shell?
    • A. 

      The shell keeps the end users from accessing the kernel for security reasons.

    • B. 

      The shell protects the kernel from the shortcomings of the user.

    • C. 

      The shell allows the user to do things that the kernel could not accommodate.

    • D. 

      All of above

  • 11. 
    What is the command to find the differences in the lines containing "2011" between the files a1.txt and a2.txt
    Discuss
    • A. 

      Grep 2011 | diff a1.txt a2.txt

    • B. 

      Diff a1.txt a2.txt

    • C. 

      Diff a1.txt a2.txt | grep 2011

    • D. 

      None of above

  • 12. 
    What is the command to display environment variables?
    • A. 

      DISPLAY ENV

    • B. 

      PRINT ENV

    • C. 

      DISPENV

    • D. 

      PRINTENV

  • 13. 
    Output of the following: $ v= 'ls' $ echo $v
    • A. 

      List all files

    • B. 

      Ls

    • C. 

      Error

  • 14. 
    Which one is not the environment variable?
    • A. 

      PATH

    • B. 

      RANDOM

    • C. 

      READ

    • D. 

      DISPLAY

  • 15. 
    Which part of UNIX is responsible for sending basic instructions to the computer's processor?
    • A. 

      Kernel

    • B. 

      Shell

    • C. 

      Both

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