This file is indexed.

prerm is in mysql-server-5.5 5.5.62-0ubuntu0.14.04.1.

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.

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#!/bin/bash

set -e

. /usr/share/debconf/confmodule

if [ -n "$DEBIAN_SCRIPT_DEBUG" ]; then set -v -x; DEBIAN_SCRIPT_TRACE=1; fi
${DEBIAN_SCRIPT_TRACE:+ echo "#42#DEBUG# RUNNING $0 $*" 1>&2 }

# Automatically added by dh_installinit
if [ -x "/etc/init.d/mysql" ] || [ -e "/etc/init/mysql.conf" ]; then
	invoke-rc.d mysql stop || exit $?
fi
# End automatically added section