What is Zmodem?

Zmodem meaning An asynchronous file transfer protocol that is more efficient than Xmodem. It sends file name, date and size first, and responds well to changing line conditions due to its variable length blocks. It uses CRC error correction and is effective in delay-induced satellite transmission. Contrast with Kermit, Xmodem, Ymodem.


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