Home / CSE / Unix :: Section 1

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

  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

  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

  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

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

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

  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

  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

  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

  17. Which command is used to remove a file?

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

  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