hercules

System/370, ESA/390 and z/Architecture emulator for running mainframe OS

brewmacoslinux

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System/370, ESA/390 and z/Architecture Emulator

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Start the Hercules emulator with a configuration file$ hercules -f /path/to/hercules.conf

Initialize a new DASD (disk) volume with 3390 geometry$ dasdinit -a /path/to/dasd.img 3390 volser 100

Load data into an existing DASD volume from a tape image$ dasdload -i tapefile.aws -o dasdfile.img