Answer / amit bondwal

#!/bin/bash
find /home/amitbondwal/ -type f -mtime +30 -exec rm -f {} \;
done
#change the directory path or name and number of days
#according to your requirement. This script will delete all
#the file older than 30 days in /home/amitbondwal directory

save the above script in a text file and run it by crontab

crontab -e

00 02 * * * /bin/sh /home/amitbondwal/scriptname.sh

This setting will run this script at 2 AM everyday.

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