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ZMODEM-90(TM) - Not just another XMODEM hack

DSZ is one of many available programs that implement the ZMODEM file transfer protocol. DSZ features the ZMODEM-90(TM) extensions including ZMODEM compression and MobyTurbo(TM) accelerator.

DSZ's ZMODEM provides advanced file management features including two levels of Intelligent Crash Recovery(TM), and flexible control of selective file transfers.

The ZMODEM file transfer protocol provides reliable file and command transfers with complete END-TO-END data integrity between application programs. DSZ's 32 bit CRC protects against errors that sneak by "error free" modems and even the most advanced networks.