🚀 go-pugleaf

I'm trying to write a password program for PC's/PS/2's under MS-/PC-DOS that can
be used throughout a company having both separate passwords on each machine
and a global, non-public password for the security officer(s) (in case users
forget their passwords etc.). I know that a similar thing available for PS/2's,
but this does not allow for the global password. The major stumbling block with
this is: How can I cause such a program to be executed at power-on/boot-up
time in such a way that it cannot be interrupted and is *always* invoked even
if booting from the floppy-disk drive (all machines have a hard-disk)?

Thanks in anticipation for any advice/comments (replies by e-mail if possible,
as I don't always have time to read the news before it expires, and our feed
is a little bit erratic).
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