Path: utzoo!utdoe!generic!pnet91!marekp
From: marekp@pnet91.cts.com (Marek Pawlowski)
Newsgroups: comp.sys.apple2
Subject: Re: GBBS/ProTERM Ymodem info, anyone?
Message-ID: <301@generic.UUCP>
Date: 19 Dec 90 21:50:03 GMT
Sender: root@generic.UUCP
Organization: People-Net [pnet91], Etobicoke, ON
Lines: 21

vw3@cunixf.cc.columbia.edu (Vernon Williams) writes:
>Some software packages call XMODEM 1K "YMODEM" though this is not correct.
>Someone was just talking about this on a local BBS just the other day.
>
>+---------------------------+-------------------------------------------------+
>|Vernon L. Williams         | Electronic Mail:    vw3@cunixf.cc.columbia.edu  |
>|Thomas J. Watson Library   | Campus Mail:        130 Uris Hall               |
>|Columbia University        | Phone Mail:         212-854-6798                |

Calling it Ymodem may not be correct, however, they are essentially identical.

Ymodem is Xmodem CRC (16 bit checksum) with 1k packets.

Only major difference is that Ymodem tends to be the one with Batching
ability.


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