000			00500 a2200181 4500
999			_c30225 _d30225
003			WUSLLib
008			200930b ||||| |||| 00| 0 eng d
020			_a0333523660
041			_aEnglish
082			_a005.43 _bTHE
100			_aTheaker, Colin J. _919109
245			_aConcepts of operating systems
260			_aLondon: _bMacmillan Press, _c1993
300			_axiii, 226p.; _c23cm.
650			_aSystems programming and programs _917330
700			_aBrookes, Graham R. _919110
942			_cSR _2ddc