To remove old files more than a year

find /opt/oracle/admin/WPSQA/adump_old/ -mtime +485 -exec rm {} \;



find /opt/oracle/admin/WPSQA/adump_old/ -mtime +485(here no of older days) -exec rm {} \;



find /opt/oracle/admin/WPSQA/adump_old/ -name "*.trc" -mtime +25 -exec rm {} \;