For Northstar Micro-Disk *

List disk - cpmls -f mdsad350 your_image.img

Inject file - cpmcp -f mdsad350 your_image.img /path/to/local/file.COM 0:file.COM

Extract File - cpmcp -f mdsad350 your_image.img 0:file.COM /path/to/local/file.COM