Since both Mac OS X and PCs can read and write to disks in MS DOS format, you can format the entire external drive in MS DOS format. For example, you might have a Mac at home and a PC at work and want to move physically move large files between the two locations using a portable hard drive. physically connected to one type of computer at a time. You would use this approach if you planned to use your external drive individually with a Mac or a PC, i.e. Two methods of sharing an external drive between a Mac and a PC are discussed: It is based in part on information in our book, Troubleshooting Mac® OS X.
a Mac® running either Mac OS X 10.4 Tiger® or Mac OS X 10.3 Panther® and.This FAQ addresses two methods of sharing a an external drive, such as a FireWire® or USB 2.0 drive, between: Sharing an external drive between a Mac and a PC under Tiger and earlier