What is Ymodem?

Ymodem meaning An asynchronous file transfer protocol identical to Xmodem-1K plus batch file transfer [also called Ymodem batch]. Ymodem-G transmits without acknowledgement [for error-free channels or when modems are self correcting], but transmission is cancelled upon any error. Contrast with Kermit, Xmodem, Zmodem.


reference: U.S . Food & Drug – Glossary of Computer System Software Development Terminology (8/95)