Creating a boot theme
This section explains how you can create your own boot script theme.
Section “The boot scripts anatomy” already explained that a theme is a single script file. In fact, if you really want, you can create a theme that spreads through multiple files (but this is not necessarily a good idea). The point here is that one file is enough. This file implements a five functions: ThemeInit, ThemeFinish, ThemeBefore ThemeAfter, and ThemeFile.
So, if you want to create a boot theme for GoboLinux, all you have to do is to
create a script file like
/Programs/BootScripts/*<version>*/Themes/MyVeryOwnBootTheme that implements
those functions (and optionally something in the script body) with all the bells
and whistles you want.