grep cron /var/log/messages
for i in $(cut -d: -f1 /etc/passwd); do echo $i; crontab -lu $i; echo; done
cat /etc/crontab
May 23 15:45:02 athlon /usr/sbin/cron[7458]: (tooltime) CMD (test -x /daten/SuSE-Linux/mirror_repos_11.0 && /daten/SuSE-Linux/mirror_repos_11.0 >/tmp/mirror.log 2>&1)