rpm's equivalent in Debian would be dpkg.

[link|http://guildenstern.dyndns.org/cgi-bin/dwww?type=man&location=/usr/share/man/man8/dpkg.8.gz|http://guildenstern....an/man8/dpkg.8.gz]

(Did I mention also that Debian's documentation tools kick the living bahoomies out of everyone else's?)