00293nam a2200121Ia 45000030006000000080041000060400015000471000041000622450030001032600009001335460012001420050017001540STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aKochan Stephen, G.; Wood Patrick, H.  aExploring the unix system  c1987  aEnglish20220125160212.0