RS232Xfer.exe is a command line Serial Communication File Transfer Utility for Windows. It returns an error code denoting success or failure. The returned error code may be queried by a command (batch) file or from an application that spawns the utility. Example Usage: RS232Xfer -b9600 -eZMODEM COM1 SEND c:Upload*.pdf The above example sends all the PDF files in the directory Upload over COM1 using the ZMODEM protocol. Specifications: Compatible with Windows 7,Windows Vista, Windows XP, Windows 2003, Windows 2000, Windows NT Compatible with any COM port including USB/Serial adapters, Bluetooth/Serial Adapters, Ethernet/Serial Adapters as long as the export the COM interface Can be a command/batch file Can be spawned from any application Returns error code that may be queried. Possible Usage: Transfer files in batch between computers.