root@zeus [/etc]# rpm -Uhv ftp://ftp.pbone.net/mirror/www.whiteboxlinux.org/whitebox/3.0/en/os/i386/RedHat/RPMS/lsof-4.63-4.i386.rpm
Retrieving ftp://ftp.pbone.net/mirror/www.whiteboxlinux.org/whitebox/3.0/en/os/i386/RedHat/RPMS/lsof-4.63-4.i386.rpm
warning: /var/tmp/rpm-xfer.Ldqg0y: V3 DSA signature: NOKEY, key ID 73307de6
Preparing...                ########################################### [100%]
        package lsof-4.63-4.1 (which is newer than lsof-4.63-4) is already installed
root@zeus [/etc]# lsof
bash: lsof: command not found