Remove Old files in Unix

you can use the given Command to remove old Specific Extension base Files Older than specific time

like find (will find the files with given Condition like " DEVDB_12 "

-mtime (machine time +20) which means 20 days Old files comparing to machine Time

& exec rm -f {} \  will execute the command after meeting the condition.



find . DEVDB_12*.trc -mtime +20 -exec rm -f {} \;

rm -rf `ls -ltr | grep -i "2013 " | awk '{ print $9}'`