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From: dillon@CORY.BERKELEY.EDU (Matt Dillon)
Newsgroups: comp.sys.mac
Subject: Re: YModem?
Message-ID: <8703172030.AA06071@cory.Berkeley.EDU>
Date: Tue, 17-Mar-87 15:30:06 EST
Article-I.D.: cory.8703172030.AA06071
Posted: Tue Mar 17 15:30:06 1987
Date-Received: Thu, 19-Mar-87 01:15:44 EST
Sender: daemon@ucbvax.BERKELEY.EDU
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>Forgive me for being ignorant, but what is YModem?  Is it a standard, or just
>something that the author of Red Ryder thought up?

	Ymodem and Zmodem are spinoff's of Xmodem and attempt to correct
various problems, the major one being the fact that Xmodem always rounds the
file up to the next 128 byte block.  They are supposedly upward compatible
from Xmodem. (e.g. Xmodem can't receive Ymodem, buy Ymodem can receive Xmodem)

				-Matt