每10秒执行一次脚本的crontab

crontab -e

* * * * * /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

#crontab