# +---------------- minute (0 - 59)
# | +------------- hour (0 - 23)
# | | +---------- day of month (1 - 31)
# | | | +------- month (1 - 12)
# | | | | +---- day of week (0 - 6) (Sunday=0 or 7)
# | | | | |
* * * * * command to be executed
Examples:
00 23 * * 0,2,4,6 /bin/ksh /home/rupam/rman_hot_backup.sh orcl 1> /home/rupam/BACKUP/backup.log 1<&1
20 30 * * * /bin/ksh /home/rupam/collect_partition_stats.sh 1> /dev/null 2>&1