Documents in /usr/share/doc/lilo/ including /usr/share/doc/lilo/Manual.txt.gz
/usr/share/doc/mbr/README.
The manpage for adduser.
The manpage for mkisofs.
The manpage for cdrecord.
"APT HOWTO" at http://www.debian.org/doc/manuals/apt-howto/index.en.html.