
The "shell" is the method through which you communicate with the system.  The
following shells are available:

csh  - This is a common shell which dates back to the begining of UNIX.
tcsh - This is csh with some added features.
ksh  - This is a common shell for "UNIX gurus."
sh   - This is a common shell.
bash - This is sh with added features.

Please enter bash, csh, ksh, sh, or tcsh.
