000 00306nam a2200121Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _aMukesh Singhal
245 _aAdvanced Concepts in Operating Systems
260 _bDelhi:Tata Mcgraw hill
_c2001
300 _a522p.
650 _aComputer
999 _c791
_d791