BBS Protocols,

The communications between one computer and another is done through the use of protocols this is the same basic concept for downloading or uploading programs or applications over the modem through a dialup.

Users on bulletin board system would select the program or appliation they would like sent to their machine and where presented with a list of protocols. The selection of the protocols available was based apon what protocols that came with their communications terminal program.

Some of the selections made where Ascii, Xmodem, Kermit, Ymodem, Ymodem-G, Zmodem, BI-Modem and Super Zmodem.

The difference in the protocols was various Xmodem was one of the orginal protocols created and the most widely used until the invention of Zmodem. One of the differences was the graphical statistics display, repeat a aborted download, selection of several different files for batch download, error checking and bi-directional transfer uploading and downloading at the same time.
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DSZ.EXE/GSZ.EXE May 25 97 ZMODEM-90(Tm) Protocol Driver

Classic stand-alone shareware that sends or
receives files using ZMODEM-90(Tm) with
compression, MobyTurbo(Tm) acceleration,
advanced file management, Intelligent Crash
Recovery(Tm).  32-bit end-to-end data
integrity over modems, satellites, and
networks.  Faster ZMODEM than other progs.
XMODEM and True YMODEM(Tm) included.


Download DSZ.ZIP
DSZBG.ZIP May 25 97 ZMODEM-90(TM)Documentation

Complete operations manual and description of
DSZ, background and documentation for DSZ.


Download DSZBG.ZIP
DSZ.EXE/GSZ.EXE May 25 97 ZMODEM-90(Tm) Protocol Driver

Classic stand-alone shareware that sends or
receives files using ZMODEM-90(Tm) with
compression, MobyTurbo(Tm) acceleration,
advanced file management, Intelligent Crash
Recovery(Tm).  32-bit end-to-end data
integrity over modems, satellites, and
networks.  Faster ZMODEM than other progs.
XMODEM and True YMODEM(Tm) included.


Download DSZEXE.ZIP
DSZNEW.ZIP Feb 24 1996 ZMODEM-90(Tm) New Documentation

DSZ Reference Rev Feb 24 1996      Typeset 10-27-96
Documentation added or change and security tips and
additional information


Download DSZNEW.ZIP
DSZ.EXE/GSZ.EXE May 25 97 ZMODEM-90(Tm) Protocol Driver

Classic stand-alone shareware that sends or
receives files using ZMODEM-90(Tm) with
compression, MobyTurbo(Tm) acceleration,
advanced file management, Intelligent Crash
Recovery(Tm).  32-bit end-to-end data
integrity over modems, satellites, and
networks.  Faster ZMODEM than other progs.
XMODEM and True YMODEM(Tm) included.


Download GSZ.ZIP

the BBS Xchange
the BBS Xchange