Template for crontab in /etc/ looks like this, if anyone knows.
#------------------------------------------------------------
# DO NOT MODIFY THIS FILE! It is updated automatically by the
# e-smith server and gateway software. Instead, modify the source
# template in the /etc/e-smith/templates directory. For more
# information, see
http://www.e-smith.org.
#
# copyright (C) 1999, 2000 e-smith, inc.
#------------------------------------------------------------
SHELL=/bin/bash
PATH=/sbin:/bin:/usr/sbin:/usr/bin
MAILTO=root
# run-parts
01 * * * * root run-parts /etc/cron.hourly
02 4 * * * root run-parts /etc/cron.daily
22 4 * * 0 root run-parts /etc/cron.weekly
42 4 1 * * root run-parts /etc/cron.monthly
*/10 * * * * /home/yabba/pisg-0.33/pisg.pl --silent
#------------------------------------------------------------
# TEMPLATE END
#------------------------------------------------------------