kyle@sulaco:~ $ perl -v | head -6

This is perl, v5.8.6 built for darwin-thread-multi-2level
(with 3 registered patches, see perl -V for more detail)

Copyright 1987-2004, Larry Wall

kyle@sulaco:~ $ uname -a
Darwin sulaco 8.10.0 Darwin Kernel Version 8.10.0: Wed May 23 16:50:59 PDT 2007; root:xnu-792.21.3~1/RELEASE_PPC Power Macintosh powerpc