000 00312nam a2200133Ia 4500
008 230718s9999||||xx |||||||||||||| ||und||
082 _a005.43
100 _aSILBERCHATZ ABRAHAM
245 0 _aOPERATING SYSTEM CONCEPTS
250 _a9
260 _bJOHN WILEY
_c2018
_aNEW DELHI
300 _a856
490 _v1
999 _c63757
_d63757