To try things out, run

% ./server.sh
Erlang R14B (erts-5.8.1) [source] [64-bit] [smp:4:4] [rq:4] [async-threads:0] [hipe] [kernel-poll:false]

Eshell V5.8.1  (abort with ^G)
> server:start().
> client:t().