00410nam a2200169 a 450000500170000002000180001708200160003510000360005124500320008726000370011930000240015650000190018060000080019963000210020785600060022885600060023420251219155952.0  a9789389447606  a005.43bMOD  aVasudevan, Shriram K...[et.al.]  aModern operating systemsb_  aNew DelhibDreamtech Pressc2019  ax, 221p.c22cm.bPB  aIncludes index  bc_  aOperating System  f_  a_