000 00265nam a2200097 4500
080 _a681.32
_bKAT.73
245 _aOperating systems; a pragmatic approach
100 _aKatzan, Harry
260 _aNew York
_bVan Nostrand Reinhold Co.
_c1973
300 _aix+387p
440 _vComputer science series
999 _c28935
_d28935