Where can I look for backup script?

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http://unix.stackexchange.com – I want find out where the backup script of a Fedora 8 server is. I haven't found it so far ( my Linux knowledge is very spare). I looked with crontab -l and I only can find a tempdelete.pl. Than I looked into /etc/cron.daily and I can see 000-delay.cron logrotate mlocate.cron rpm tmpwatch 0anacron cups makewhatis.cron prelink tetex.con Nothing which looks like a backup script if taken the name. Nothing in the /etc/cron.hourly directory and etc/cron.weekly looks similar. The backup script includes backup from Windows and Linux machines (about 5 machines). I also saw that there is a separat (HowTos)