000 00321nam a2200133Ia 4500
008 241225s9999 xx 000 0 und d
020 _a0
082 _a005.43
_bIIH
100 _aIiht.
245 0 _aOperating systems
260 _aBanglore :
_bIiht,
_c1994
300 _a127.
650 _aComputer programmingprograms data
999 _c28812
_d28812