Answer :
00 11,16 * /bin/incremental-backup crontab entry will execute the /home/dba1/db_maintenance.sh script every morning at 4:00 am.
What does this crontab entry?
The crontab command advances, edits, lists, or removes cron jobs. A cron job is a command run by the cron daemon at regularly scheduled intervals. To submit a cron job, select the crontab command with the -e flag. The crontab command invokes an editing session that permits you to create a crontab file.
Where do crontab files live?
The crontab files are kept in /var/spool/cron/crontabs . Several crontab files besides root are delivered during SunOS software installation (see the following table). Besides the default crontab file, users can create crontab files to schedule their design events.
To learn more about crontab command , refer
https://brainly.com/question/27349714
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Complete Question is,
- 0 11 16 * /bin/incremental-backup
- 11-16 /bin/incremental-backup
- 00 11-16 * /bin/incremental-backup
- 00 11,16 * /bin/incremental-backup
