Linux定时任务crontab每10秒执行1次
* * * * * sleep 10;/bin/date >>/tmp/date.txt
* * * * * sleep 20;/bin/date >>/tmp/date.txt
* * * * * sleep 30;/bin/date >>/tmp/date.txt
* * * * * sleep 40;/bin/date >>/tmp/date.txt
* * * * * sleep 50;/bin/date >>/tmp/date.txt
* * * * * sleep 10;/bin/date >>/tmp/date.txt
* * * * * sleep 20;/bin/date >>/tmp/date.txt
* * * * * sleep 30;/bin/date >>/tmp/date.txt
* * * * * sleep 40;/bin/date >>/tmp/date.txt
* * * * * sleep 50;/bin/date >>/tmp/date.txt