Here is some file about tty...

catty is a simple, very simple getty written by me Yann Droneaud <lch@multimania.com>
mingetty is my 'muse'. Most of the code was taken from it.
rungetty is a corrected version of mingetty.
getty_ps is another source...

Icon  Name                    Last modified      Size  Description
[DIR] Parent Directory - [   ] catty.tar.gz 26-Mar-2007 15:02 931 [   ] getty_ps-2.0.7j.tar.gz 26-Mar-2007 15:02 129K [   ] mingetty-0.9.1.tar.gz 26-Mar-2007 15:02 19K [   ] mingetty-0.9.4-8.src..> 26-Mar-2007 15:02 20K [   ] rungetty-1.2.tar.gz 26-Mar-2007 15:02 15K