Nokia-N900:/home/user/MyDocs# dpkg --force-depends-i ./backupmenu_0.56-1_all.deb
dpkg: unknown force/refuse option `depends-i'

Type dpkg --help for help about installing and deinstalling packages[*];
Use `dselect' or `aptitude' for user-friendly package management;
Type dpkg -Dhelp for a list of dpkg debug flag values;
Type dpkg --force-help for a list of forcing options;
Type dpkg-deb --help for help about manipulating *.deb files;
Type dpkg --license for copyright license and lack of warranty (GNU GPL)[*].

Options marked[*] produce a lot of output - pipe it through `less' or `more' !
Nokia-N900:/home/user/MyDocs#