preinst is in bind9 1:9.10.3.dfsg.P4-8.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 | #!/bin/sh
# pre install script for the Debian bind9 package
set -e
exit 0
|