For some fringe use cases one could drop a readily installed (and defragmented!) OS image to the tape and boot it up. I've only had some floppy tape drives and

For some fringe use cases one could drop a readily installed (and defragmented!) OS image to the tape and boot it up. I've only had some floppy tape drives and parallel-port attached Ditto. They didn't support random access, or at least I never had a driver that could do that.