00423nam a22001577a 450000500170000001000140001702000260003103500130005703700130007008200110008310000120009424500350010626000390014127000600018030000250024020100727110732.0  aENG-96838  a9788190814508c100.00  aEN-80371  bDBAD/PUB  a005.43  aHema, S  aOperating systems /cby S Hema  aChennaibAkshay Publicationsc2007  aMIG 122, 8th Cross Street, Mugapair West Gardene600037  a136 p.c20 cm. (pbk)