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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