/etc/init.d/netscript is in netscript-2.4 5.2.9ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42  | #! /bin/sh -e
### BEGIN INIT INFO
# Provides:          netscript
# Required-Start:    mountkernfs $local_fs
# Required-Stop:     $local_fs
# Should-Start:      ifupdown
# X-Start-Before:    networking
# Default-Start:     S
# Default-Stop:      0 6
# Short-Description: Raise network interfaces, and setup iptables.
# Description: Raise network interfaces, starting any required networking 
#              daemons like pppd, DHCP client or openvpn, and setup iptables.
### END INIT INFO
#
# netscript	script to fire up netscript network configuration system
#
#		Written by Miquel van Smoorenburg <miquels@cistron.nl>.
#		Modified for Debian GNU/Linux
#		by Ian Murdock <imurdock@gnu.ai.mit.edu>.
#		Modified from /etc/init.d/skeleton
#		by Matthew Grant <grantma@anathoth.gen.nz>
#
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/sbin/netscript
NAME=netscript
DESC="netscript"
test -f $DAEMON || exit 0
# The /sbin/netscript command complies with Debian Policy so just do this:
# NB the following can make lintian happy
case "$1" in
	start|reload|force-reload|restart)
		$DAEMON $*
		;;
	stop)
		$DAEMON $*
		;;
	*)
		$DAEMON $*
		;;
esac
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