Fileman.exe is for those computer illiterate people who don't care to fight with the filemanager that comes with Windows.  It has a simple, easy to use interface, but it also has LOTS of bugs.  Hopefully later versions will have less bugs.  It's freeware, and you can do whatever you want with it.  Look around soon, for the next and better version.  If you're nice, you'll distribute this file to other ftp sites, this text file included, but you don't have to.  It'd just be nice if you did.