00283nam a2200109Ia 4500008004100000041000800041082002700049100002200076245003100098260003600129300000800165211209s1984    xx            000 0 und d  aeng  a621.76 CHO N84 KOC/WOO  aKOCHAN, STEPHEN C  aEXPLORING THE UNIX SYSTEM   aNEW DELHIbCBS PUBLISHERSc1984  a368