Archived from groups: microsoft.public.win2000.setup (More info?)
By default Windows 2000 installs in the \winnt directory. First Control
Panel|System|Advanced|Startup and Recovery, choose the correct System
Startup option as default, then you'll need to delete the options you want
removed from the boot.ini, it's a system, hidden file in the root of the
system partition. So you'll need to show-all-files in Explorer.
Explorer|Tools|Folder Options|View, then radio button for "Show hidden files
and folders" *and* also uncheck the box for "Hide protected operating system
files". You should end up with something like this (below). The timeout
value is not functional when there is only one startup choice. Then you can
remove the %windir% directory that your currently not using from drive. By
default Windows 2000 installs into the \winnt directory and this is the
%windir% From a command prompt
will reveal the one your using (possibly \winnt2), then you can delete the
other one not in use. To be sure you can rename it, then later delete it.