ps -aef|grep crond
ls /var/log/cron




# m h  dom mon dow   command
*/1 * * * * /home/mjpg-streamer-r63/gsmart.sh
*/1 * * * * rm /home/mjpg-streamer-r63/test
*/1 * * * * date >>  /home/mjpg-streamer-r63/test1


======================================================================================
 m h  dom mon dow   command

*/1 * * * * /home/gsmart.sh
* */1 * * *  ntfdate
*/3 * * * * /etc/init.d/networking restart
*/1 * * * *  date  >> /home/test1
* */6 * * * /etc/init.d/janis.sh
=====================================================================================