00470nam a2200169 a 450000500170000002000150001708200160003210000270004824500220007526000400009730000190013769000220015696400160017899700190019499900170021395200700023020251203110632.0  a8188429007  a005.43bPRA  aPrasad, P. Balakrishna  aOperating Systems  aChennaibScitech Publicationsc2003  aDP.c24 cm. PB  aOperating systems  bcdefg_  a113558 LIBSC C  c97140d97140  00104070aPUbPUd2005-07-20g175.00l0o005.43 PRAp113558yBK