In oracle Linux Anacron is using to schedule the cron job instead crond .
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[root@serovm011~]# service anacron status
anacron is stopped
[root@serovm011~]# cat /etc/init.d/anacron
[root@serovm011~]# cat /etc/init.d/anacron
#!/bin/sh
# Startup script for anacron
#
# chkconfig: 2345 95 05
# description: Run cron jobs that were left out due to downtime
# pidfile: /var/run/anacron.pid
#
[root@serovm011 ~]# cat /etc/*release
Oracle VM server release 3.1.1
