Jelmer: I am currently running it on AIX 4.3.0.0 as my oslevel running lslpp -l bos.rte.libc bos.up gives me: Fileset Level State Description -------------------------------------------------------------------------- -- Path: /usr/lib/objrepos bos.rte.libc 4.3.3.10 COMMITTED libc Library lslpp: 0504-132 Fileset bos.up not installed. thanks, Joseph