find file base on date
$find . -mtime 10 -print
Find files on our current directory and all its sub-directories that were modified 10 days ago.
$find . -mtime +5 -mtime -8 -print
Find files on your current directory and all its sub-directories that were modified between 5-8 days.
$find . -type f -atime +35 -print
Find files on your current directory and all its sub-directories that are FILES and were not accessed for more than 35 days.
http://www.linuxpowered.com/html/editorials/find.html
