crontab - why flock run two process? - 


[root@vm_47_86_centos bin]# ps -ef | grep moni root      2078  2075  0 apr04 ?        00:00:00 flock -xn /tmp/svr_lock /data1/svr/bin/monitor.sh root      2082  2078  0 apr04 ?        00:07:35 /bin/bash /data1/svr/bin/monitor.sh root      3438  3303  0 10:30 pts/0    00:00:00 grep --color=auto moni root     14249 14243  0 apr04 ?        00:00:00 flock -xn /tmp/svr_lock /data1/svr/bin/monitor.sh root     14253 14249  0 apr04 ?        00:07:32 /bin/bash /data1/svr/bin/monitor.sh

crontab :

* * * * * flock -xn /tmp/svr_lock /data1/svr/bin/monitor.sh

monitor.sh damon.
why use flock or there 2 processes


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