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CSE :: Unix

  1. Which of the following commands is used to display the directory attributes rather than its contents?

  2. A.
    ls -l -d
    B.
    ls -l
    C.
    ls -x
    D.
    ls -F
    E.
    None of the above

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  3. Which of the following files will displayed by this command cat *ch*

  4. A.
    patch
    B.
    catch
    C.
    .ch
    D.
    All of the above
    E.
    None of the above

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  5. 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:

  6. A.
    000
    B.
    755
    C.
    744
    D.
    555
    E.
    None of the above

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  7. If you are to use [Control-c] as the interrupt key instead of [Del], then you will have to use

  8. A.
    tty ^c
    B.
    stty intr \^c
    C.
    stty echoe
    D.
    stty echo \^a
    E.
    None of the above

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  9. Which of the following is not a communication command.

  10. A.
    write
    B.
    mesg
    C.
    mail
    D.
    grep
    E.
    None of the above

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  11. Which of the following keys is used to move the cursor to the end of the paragraph.

  12. A.
    }
    B.
    {
    C.
    |
    D.
    $
    E.
    None of the above

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  13. Which command is used to concatenate all files beginning with the string 'emp' and followed by a non-numeric characters?

  14. A.
    cat emp[!0-9]
    B.
    more [emp][!0-9]
    C.
    cat emp[x-z]
    D.
    cat emp[a-z]
    E.
    None of the above

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  15. The command which transcribes the standard input to the standard output and also makes a copy of the same in a file is

  16. A.
    tee
    B.
    tr
    C.
    sort
    D.
    grep
    E.
    None of the above

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  17. Which command is used to remove a file?

  18. A.
    remove
    B.
    rm
    C.
    mv
    D.
    del
    E.
    None of the above

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  19. Which symbol is used to separate more than one command in the same command line?

  20. A.
    $
    B.
    #
    C.
    :
    D.
    ;
    E.
    None of the above

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