deb-prerm(5) dpkg suite deb-prerm(5) (NAME) deb-prerm - (SYNOPSIS) DEBIAN/prerm (DESCRIPTION) prerm ( DEBIAN/prerm ) . : prerm remove . old-prerm upgrade new-version . new-prerm failed-upgrade old-version new-version upgrade . new-version dpkg 1.18.5 . prerm deconfigure in-favour new-package new-version [ removing old-package old-version ] . prerm remove in-favour new-package new-version . (SEE ALSO) dpkg(1). 1.23.7-dirty 2026-03-06 deb-prerm(5)