[tlug] Text mode screen is too big

[Asa LIton <leyton@example.com>]

Pressing Ctrl+Alt+F1 gives me a text mode screen.
The screen I get is "full screen". I want to change
it to half screen or smaller. Is it possible? It used
to be smaller till day before yesterday, it changed 
somehow after an update or some software installation,
I don't remember.
I use:
*Debian(woody)
*Bootloader GRUB
I don't know what other information I should send.
So please let me know. Thanks in advance.

Liton