00315nam a2200133Ia 45000030006000000080041000060400015000471000015000622450041000772600028001183000006001465460012001520050017001640STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aBach, M.J.  aDesign of the Unix Operating Systems  bPearson Educationc2005  a0  aEnglish20220125160215.0