/etc/init.d/atopacct is in atop 2.3.0-1.
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 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 | #!/bin/sh
#
# atopacctd	Startup script for the atopacctd daemon 
#
# chkconfig: 2345 91 9
# description: Process accounting control
#
### BEGIN INIT INFO
# Provides:             atopacct
# Required-Start:	$local_fs $remote_fs
# Required-Stop:	$local_fs $remote_fs
# Default-Start:	2 3 4 5
# Default-Stop:		0 1 6
# Description:          This daemon switches on process accounting and
#                       transfers the process accounting records 'realtime'
#                       to small shadow files to avoid huge disk space usage
# Short-Description:    Process accounting control
### END INIT INFO
. /lib/lsb/init-functions
# Check existance of binaries 
[ -f /usr/sbin/atopacctd ] || exit 0
RETVAL=0
# See how we were called.
case "$1" in
  start)
	# Check if process accounting already in use via psacct
	#
	for PACCTFILE in /var/account/pacct /var/log/pacct
	do
		if [ -f "$PACCTFILE" ]	# file exists?
		then
			BEFORSIZE=$(ls -lL "$PACCTFILE" | awk '{print $5}')
			AFTERSIZE=$(ls -lL "$PACCTFILE" | awk '{print $5}')
			# verify if accounting file grows, so is in use
			#
			if [ $BEFORSIZE -lt $AFTERSIZE ]
			then
			   echo Process accounting already used by psacct! >&2
			   exit $RETVAL		# do not start atopacctd
			fi
		fi
	done
	# Check if atopacctd runs already
	#
	if ps -e | grep -q atopacctd$
	then
		:
	else
		# Start atopacctd
		rm -rf /run/pacct_shadow.d 2> /dev/null
		/usr/sbin/atopacctd
	fi
	touch /run/lock/atopacctd
	;;
  stop)
	# Check if atopacctd runs
	#
	if ps -e | grep -q atopacctd$
	then
		kill $(ps -e | grep atopacctd$ | sed 's/^ *//' | cut -d' ' -f1)
	fi
	rm /run/lock/atopacctd
	;;
  status)
	;;
  reload)
	;;
  restart|force-reload)
  	$0 stop
        $0 start
	;;
  *)
	echo "Usage: $0 [start|stop]"
	exit 1
esac
exit $RETVAL
 |