UNIX - CRONTAB

CRONTAB   Crontab (CRON TABLE) is a file which contains the schedule of cron entries to be run and at specified times.    INTERVAL INFO : Character Descriptor Acceptable values 1 Minute 0 to 59, or * (no specific value) 2 Hour 0 to 23, or * for any value. 3 Day of the month 1 to 31, or * (no specific value) 4 Month 1 to 12, or * (no specific value) 5 Day of the week 0 to 7 (0 and 7 both represent Sunday), or * (no specific value)

SYNTAX AND EXAMPLE Existing examples: §  If you wished to have a script named /root/backup.sh run every day at 3am, your crontab entry would look like as follows. # crontab -e Append the following entry: 0 3 * * * /root/backup.sh TIP : To delete GDE-WATHERS created by users , USERS can add this in their DEV §  00 10 *  * * find /EME/dev/src/developers/${USER} /home/${USER} /var/stage/abinitio/data/dev/ -name 'GDE-WATCHER-*' -user ${USER} -mtime +1 | xargs -i rm -f {}                                 REFERENCE §  CRONTAB is used in abadmq* users of hq1adwq01 server. §  URL: https://www.adminschoice.com/crontab-quick-reference                                   AREA OF USAGE §  Periodic cleanup 1.    GDEwatchers 2.    Recovery file 3.    Data file older than 90 days 4.    Moving files to backup Periodic File check