With the exception of the environment setup, each line in the crontab file represents a scheduled task by using the following syntax:field allowed values —– ————– minute 0-59 hour 0-23 day of month 1-31 month 1-12 day of week 0-7 (both 0 and 7 are Sunday) user Valid OS user command Valid command or script. crontab format : * * * * * from left to right = minute, hour, day, month, day. basic scripts link crontab -e : edit crontab -l : list sysntax :
0-59/5 * * * 1-5 *example : 00 06 * * * this script will run every day at 06 am 00 06 * * * /home/oracle/scripts/inspirit/cleanup_trc.sh > /home/oracle/scripts/dba_clean/log/cleanup_trc.log 2>&1 Br. Erman.