$ perl -v
This is perl, v5.6.1 built for i386-linux

$ type -a top
top is /usr/bin/top

$ rpm -qf /usr/bin/top
procps-2.0.7-11

$ ls -l /bin/sh
... /bin/sh -> bash

$ rpm -qf /bin/bash /bin/sh
bash-2.05-8
bash-2.05-8

$ uname -a
Linux ahost 2.4.9-e.40enterprise #1 SMP Thu Apr 8 16:43:01 EDT 2004 i686 unknown
(actually it's RedHat Enterprise Linux 2.1, w/ recent patches)