Labels:text | screenshot | font OCR: Although some comm programs are just now beginning to break the trend, most currently have just the standard Joe Blow's Comm Program protocols built into them, such as Xmodem, Ymodem and most likely a few others. With the emergence of various new protocols, the comm program authors needed to provide a way of executing SHELLS to DOS and these new protocols without incorpo- executes batch file ... rating them into the code, which would increase its size unacceptably. To do this, the authors provide a means to exit to DOS (while remaining resident and connected to the BBS) and execute Zmodem batch file containing the transfer protocol externally. (Thus command and parameters to the name "external protocol"). After execute Zmodem (DSZ.COM) transfer is complete, control is returned to the comm ...
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