000			00405nam a22001577a 4500
005			20220518143106.0
008			100617t xxu||||| |||| 00| 0 eng d
020			_a0201144646
082			_a005.43 _bLOR
100			_aLorin,Harold
245			_aOperating systems
260			_aMassachussetts _bAddison - Wesley Publishing Company _c1981
300			_axxi,378p.
653			_aoperating system
942			_cBK
999			_c223000 _d223000