000 00353nam a22001457a 4500
003 AUM
020 _a9789389795530
082 _a005.43/KAU/19
100 _aKaur inderjeet
245 _aoperating Systems A Concept -based Approach
260 _aNew Delhi
_bI.K.Internatioanal Pvt.Ltd.
_c2020
300 _a320
700 _aGupta,Sonam
942 _2ddc
_cBK
999 _c9014
_d9014