mtime or find old files or delete old files

If you want to find old files, i.e. find files greater that 30 days using following command

Find and Print Files:-
find -type f -name <'Search pattern*'> -mtime +30 -print

Delete files greater than 30 days:-(Time is important in this)
find /cba_app/WSSORD01/DEV/archive/outbound -name DLMASY* -mtime +30 -exec rm {} \;

Good site for reference
http://www.unix.com/tips-tutorials/20526-mtime-ctime-atime.html