From Just Solve the File Format Problem
modem connection to a BBS.XMODEM (variously capitalized as XMODEM, XModem, or Xmodem) is a file transfer protocol. It belongs to a category of protocols that work on top of an already-established connection, typically a
There are a number of variants of XMODEM, including one named WXModem (Windowed Xmodem).
- Wikipedia: XMODEM
- XMODEM/YMODEM Protocol Reference, Edited by Chuck Forsberg
- Xmodem, CRC Xmodem, WXmodem File Transfer Protols, by Peter Boswell (1986-06-20)
- MODEM Protocol Overview, by Ward Christiansen (1982-01-01)