[root@sprace ~]# crontab -e 00 02 * * 1-7 /bin/tar -cjvpf /dev/st0 /export/html /etc/httpd /var/www /export/home/novaes/public_html > /dev/null 2> /root/backup.logIsso irá escrever um log no /root/backup.log. Para visualizar o backup use
tar -tjvf /dev/st0