Linux regularly cleans up archive logs

#!/bin/sh
Export back_date= ' DATE +%y%m%d '
Export Backup_path=/home/oracle/dbbak
echo ' Mkdir-p ${backup_path}/archivelog/${back_date} '
Rman msglog= $BACKUP _path/archivelog/${back_date}/arch_0_$back_date.log << EOF
Connect target/;
Delete Expired Archivelog all;
Delete noprompt Archivelog until time ' sysdate-1 ';
Exit
Eof

The following is an Rman timed Delete archive Log method:
Upload the del_arch.sh file in the attachment to the database server, the readable directory of the Oracle user, such as/home/oracle. Assign executable permissions (chmod +x del_arch.sh)
Under root user, CRONTAB-E
* * 3 su-oracle-c '/home/oracle/del_arch.sh ' in quotation marks for the script location. (on behalf of every Wednesday 20:20 execute the script, delete the log)

Linux regularly cleans up archive logs