Duplicate File Finder is a simple tool to locate duplicate files in your machine. It performs Byte for Byte Comparison which ensures 100% accuracy of the duplicate files.
You can then choose to delete the selected duplicate or original files. By deleting the duplicate copy, you can save a lot of disk space in your machine. This program is great for cleaning up disk space in your picture folders, or documents folders, or download folders. You can also specify to only search for jpg files or mp3 files, or any other type of specific file type. More important is that you can maintain your files easily with a single copy only.
It is a standalone application and no installation required. The program is multi-threaded and performs file scanning quickly.
It can be found in following URL:
http://www.brooksyounce.com/soft/dupfinder.htm
This is a useful information about how to delete duplicate files from the system, i use duplicate finder 2009 for such aim.