Computer Science Mock Test NET Exam(Operating Systems ) - Part 05

This Quiz is posted with the sole aim of guiding the aspirants of UGC-NET /CSIR -NET Exam to the path of success. To sharpen the edges of your own intelligence and practice, in a structured and concrete manner to ensure you definite Success in your endeavor and will Pave your way for a successful career in Teaching (or) Research Profession . All the very best...... Knock the door of success......
  1.  Which command is used to create a directory in Unix?
    1.  crdir
    2.  md
    3.  mkdir
    4.  mdir

  2. The cc command makes a total of _______ passes
    1.  4
    2.  2
    3.  3
    4.  5

  3. Which command is used with vi editor to search a pattern in the forward direction?
    1.  /
    2.  //
    3.  ?
    4.  ??

  4. Choose the correct remarks
    1.  Use of exit terminates the program
    2.  Use of return terminates the program
    3.  exit and return can be used interchangeably
    4.  exit retuns a value to the system

  5. Which of the following programs are not interactive?
    1.  passwd
    2.  grep
    3.  date
    4.  Both (b) & (c)

  6. Which command is used to delete all files in the current directory as well as all 1 files and sub directory?
    1.  rm all
    2.  rm-r*
    3.  rm*
    4.  rm *.*

  7. Which symbol is used to separate more than one command in the same command line?
    1.  ;
    2.  #
    3.  &
    4.  @

  8. Command used to view your file 24 lines at a time _____. 
    1.  /p
    2.  1p
    3.  p*
    4.  pg

  9. Which of the following shell's wild cards are used to match any number of characters including none?
    1.  [ijk]
    2.  ?
    3.  [!ijk]
    4.  *

  10. Command used  with vi editor to delete three words _______.
    1.  3 $d
    2.  3 dw
    3.  3 dd
    4.  3 w


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