>When we work in Shell/ix, the response time is very slow. Is there a
>possibility to accelerate this, because our developpers start to do
>some tests in JAVA and they are crying about the response time.

There are two things to try:

At the shell prompt, turn off command line editing with:

set +o vi

If you're using Reflection, switch to telnet from VT3k.

Don't ya love this single character I/O stuff?