00329nam a2200133Ia 4500001000500000005001700005008004100022020001500063082001500078100002100093245003200114260002100146650002800167527720261006003841.0120911s9999    xx            000 0 und d  a0201547775  a005.43 SAL  a Salus,peter h.   a A quarter century of unix   a Addison-wesley   a Unix ( computer file)