dtcpip:   docs on tcpip, the networking code for unix                      [REC]
duucp104: docs on uucp (for setting up mail over modems)                   [OPT]
dxfaq:    first asked questions, for X11 windows                           [REC]
info2:    info files for various subjects, view under emacs                [OPT]
nn6418m:  man pages for the 'nn' news reader                               [OPT]