查看crontab任务
crontab -l
编辑crontab任务
crontab -e
* * * * * sleep 10; /bin/your-script.sh
* * * * * sleep 20; /bin/your-script.sh
上方为每隔10秒/20秒执行一次脚本
*/5 * * * * /bin/your-script.sh
每五分钟执行
0 * * * * /bin/your-script.sh
0 0 * * * /bin/your-script.sh
0 0 * * 0 /bin/your-script.sh
0 2 1 * * /bin/your-script.sh
0 0 1 1 * /bin/your-script.sh
持续更新----
http://blog.xqlee.com/article/963.html