I have compiled the source distribution on AIX 4.3.3 with the following filesets: bos.adt autoconf.2.53.tar.Z automake.1.6.2.tar.Z gcc.3.2.tar.Z m4.1.4.tar.Z make.3.79.1.tar.Z perl.5.8.0.tar.Z rrdtool-1.0.39.tar.gz I dont have time to test all the capabilities of rrdtool, I only check the binaries against the examples of the tuturial. best wishes... Adrián E. Giacometti IGS Network Services IT Specialist - Network Admin Lima 1979 - Martinez - CP:1640 - Argentina Fax: 54-11-4898-4700 - Tel: 54-11-4898-4931 Tie-Line: 840-4931 e-mail: giacomet@ar.ibm.com