000 00269nam a2200109Ia 4500
008 211209s2012 xx 000 0 und d
041 _aeng
082 _a005.43
100 _aDEITEL H M
245 _aOPERATING SYSTEMS
260 _aNEW DELHI
_bPEARSON EDUCATION AISA
_c2012
999 _c83053
_d83053