00498nam a22001697a 450000500170000001000150001702000260003203500130005803700130007108200110008410000220009524500460011726000340016327000470019730000340024450000500027820130520103510.0  aENG-107233  a9788120347267c250.00  aEN-90766  bDBAD/PUB  a005.43  aChandra Mohan, I.  aOperating systems /cby  I. Chandra Mohan  aNew DelhibPHI Learningc2013  aM-97, Connaught Circus,bNew Delhie110001  axvii, 225p.:c24cm(pbk)bill.  aIncludes bibliographical references and index