openSUSE:Leap:15.0 openSUSE Leap 15.0 https://download.opensuse.org/distribution/leap/15.0/repo/oss/ fillup Tool for Merging Config Files fillup merges files that hold variables. A variable is defined by an entity composed of a preceding comment, a variable name, an assignment delimiter, and a related variable value. A variable is determined by its variable name.