Flasher.exe is an EZ-Kit Lite Program (not a DOS App!) that lets you communicate with the flash memory chip in your ezkit lite once you have installed it
You want to communicate with a flash chip so that you can you upload programs into the Synth of Death and store them permanently in the flash memory. This means you can run them at any time you want without having to be near your PC! For example, you can take them on the train or to a gig or a friends house! All you need is your Palm Pilot!
With an am29f010-based system, you can store 7 different programs. You might this program "DSPLoader" to be extremely useful.