From Linux.ie :: Using the find command.
To locate files that have been modified since some arbitrary date use this little trick:
touch -d "13 may 2001 17:54:19" date_marker find . -newer date_marker
To find files created before that date, use the cnewer and negation conditions:
find . \! -cnewer date_marker
Note: After testing, the following doesn't seem to work properly:
From the The Linux Cookbook: Tips and Techniques for Everyday Use - Finding Files.
To list all of the files in the `/usr' directory tree that were modified one year or longer ago, type:
find /usr -mtime +356 -daystart
To list all of the files in your home directory tree that were modified from two to four days ago, type:
find ~ -mtime 2 -mtime -4 -daystart