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MCQs

Total Questions : 296 | Page 2 of 30 pages
Question 11. Which of the following commands is used to display the directory attributes rather than its contents?
  1.    ls -l -d
  2.    ls -l
  3.    ls -x
  4.    ls -F
  5.    None of the above
 Discuss Question
Answer: Option A. -> ls -l -d
Question 12. Which of the following files will displayed by this command cat *ch*
  1.    patch
  2.    catch
  3.    .ch
  4.    All of the above
  5.    None of the above
 Discuss Question
Answer: Option D. -> All of the above
Question 13. The Octal number to be given alogn with chmod command to make a file readable, writable and executable to the owner, readable and executable to group and others is:
  1.    0
  2.    755
  3.    744
  4.    555
  5.    None of the above
 Discuss Question
Answer: Option B. -> 755
Question 14. If you are to use [Control-c] as the interrupt key instead of [Del], then you will have to use
  1.    tty ^c
  2.    stty intr ^c
  3.    stty echoe
  4.    stty echo ^a
  5.    None of the above
 Discuss Question
Answer: Option B. -> stty intr ^c
Question 15. Which of the following is not a communication command.
  1.    write
  2.    mesg
  3.    mail
  4.    grep
  5.    None of the above
 Discuss Question
Answer: Option D. -> grep
Question 16. Which of the following keys is used to move the cursor to the end of the paragraph.
  1.    }
  2.    {
  3.    |
  4.    $
  5.    None of the above
 Discuss Question
Answer: Option A. -> }
Question 17. Which command is used to concatenate all files beginning with the string 'emp' and followed by a non-numeric characters?
  1.    cat emp[!0-9]
  2.    more [emp][!0-9]
  3.    cat emp[x-z]
  4.    cat emp[a-z]
  5.    None of the above
 Discuss Question
Answer: Option A. -> cat emp[!0-9]
Question 18. The command which transcribes the standard input to the standard output and also makes a copy of the same in a file is
  1.    tee
  2.    tr
  3.    sort
  4.    grep
  5.    None of the above
 Discuss Question
Answer: Option A. -> tee
Question 19. Which command is used to remove a file?
  1.    remove
  2.    rm
  3.    mv
  4.    del
  5.    None of the above
 Discuss Question
Answer: Option B. -> rm
Question 20. Which symbol is used to separate more than one command in the same command line?
  1.    $
  2.    #
  3.    :
  4.    ;
  5.    None of the above
 Discuss Question
Answer: Option D. -> ;

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