I'm very sorry if this is a dumb question, but everyone is a newbie before learning stuff, right?

I've played on Icesus for a few days now. Everything has been absolutely fantastic, but today a small but annoying problem has suddenly appeared.
Usually, when I open my inventory or a help file etc. the text fills the whole area, and after that comes the "--More--(xx%)" thing. But now, it only shows only one line of text at a time, followed by "--More--(1%)" or similiar, so I have to hit Enter for about twenty times just to quickly check the inventory, for example. It is extremely annoying, so I wonder if anyone could help me with it.
In a nutshell:
Is there a sort of command or some way to adjust the amount of text before the "More" thing?
Thanks in advance,
Acribus
PS. If someone needs more information, just tell me. It's possible that I didn't tell all the necessary things here.