Used DupFinder for Windows?
Developer’s Description
By M. Boehm
DupFinder is a small command-line tool which finds duplicate files. It uses the contents of the files for comparison. It does not use any hashing algorithms, and this feature will make it much faster than other programs. This version is the first release on CNET Download.com.
Explore More

jPortable
FreeExtreme Optimization Mathematics Library for .NET
Trial versionCONVAT
Free
T3 Visual Basic Theme Archive
Free
JioSoft Autorun
FreeAlgoLab Raster to Vector Conversion SDK
Trial versionUserName and Password Generator
FreeRAS Dial Up ActiveX
Trial versionHyperLink Control
Free3DColorText Java Applet
Trial versionActiveX System Tray Icon
FreeMabry Volume VB Control
Trial version