写了一个再简单不过的数据备份；
#!/bin/bash user="root" pass="" cd /mnt/sqlBac echo "You are in backup dir" filename=`date +%Y%m%d` mysqldump -u${user} -p${pass} --all-databases > $filename.sql echo "Your database backup successfully completed"
原文：http://www.cnblogs.com/bin-pureLife/p/4595517.html