FYI, there is no csh on RedHat (other distro's too?).<snip>
[steve sluggo steve]$ ls -l $(which csh) lrwxrwxrwx 1 root root 4 Oct 6 2002 /bin/csh -> tcsh
And no bourne shell either: [steve sluggo steve]$ ls -l $(which sh) lrwxrwxrwx 1 root root 4 Oct 6 2002 /bin/sh -> bash
-Steve