Yes, this is, where the entry "i386" is put in. I remember, to execute the command "dpkg --add-architecture i386" a very long time ago. Thus, aptitude now knows about it. Zhanks for making things clearer. Best Hans > Indeed, multi-arch is a dpkg thing. The list of current architectures > is kept in /var/lib/dpkg/arch [1] > > Cheers