Thanks AM, here's my output...does this mean I do or do not have perl 64-bit installed on my aix box? eaglet: PROD /home/jlondon > perl -V:.*?64.*? archname64='' d_PRIXU64='define' d_PRId64='define' d_PRIi64='define' d_PRIo64='define' d_PRIu64='define' d_PRIx64='define' d_fpos64_t='define' d_int64_t='define' d_off64_t='define' d_readdir64_r='undef' i64size='8' i64type='long long' readdir64_r_proto='0' sPRIXU64='"llX"' sPRId64='"lld"' sPRIi64='"lli"' sPRIo64='"llo"' sPRIu64='"llu"' sPRIx64='"llx"' u64size='8' u64type='unsigned long long' use64bitall='undef' use64bitint='undef'