000 00313nam a2200133Ia 4500
008 230222s9999 xx 000 0 und d
082 _a005.43
100 _aMukesh Singhal
245 0 _aAdvanced concepts in operating system
250 _a1
260 _bTata Mcgraw Hill
_c2003
650 _aCOMPUTER
942 _cBK
999 _c729
_d729