... or diff or gvimdiff, for that matter. Clearly, these are only available on Unix ... unless you have Perl Power Tools installed on your Windows Machine.
Cheers -
Pat
Comment on Re^2: Finding differences in binary files
And for me a Windows system is close to unuseable without Cygwin, which has all the goodies in by default, but ikegami already mentioned fc, which seems to fit the bill for Windows.