00529nam a22001937a 450000500170000001000130001702000100003003500130004003700160005304000120006908200160008110000210009724500500011826000400016827000610020830000270026965000220029665000170031820170124110201.0  aB-024166  c99.00  aB-024166  bCen Lib/Ret  aDPLbEN  a005.43bNEL  aNellaikannan, C.  aOS, PC software and DTP /cby C. Nellaikannan  aTamilnadubNels publications c1995  bTamilnadua137, Bharathiar street Tirulveli towne627006  a267p.:c21cm(Hb)bill.  aComputer science   aPC software