backup.sh
su - oracle -c 'exp scott/tiger@ora10 file=/home/aebp$(date +"%Y%m%d_%H%M").dmp log=/home/aebp$(date +"%Y%m%d_%H%M").log'
timer.sh
1 3 * * 6 /home/aisino/aebp/shelltest/backup.sh
启动命令:
crontab timer.sh
定时器的详细说明:
http://blog.youkuaiyun.com/tianlesoftware/article/details/5315039