000			00308nam a22001337a 4500
020			_qPB.
040			_cFIZZA ISHAQ
082			_a005.43
100			_aSTALLINGS,WILLIAM. _989431
245			_aOPERATING SYSTEMS / _cWILLIAM STALLINGS.
260			_aPEARSON ; _c2018.
300			_a732 P. ;
942			_2ddc _cBK
999			_c588168 _d588168