You'll need to consult the specific references but overall the required steps for each are similar. My system provides an example of these issues. I only occasionally need a Win95 environment, so I gave it 500MB of the disk. Many of the SCU systems understand the DOS filesystem. Although it is possible to load the system from the Internet, this article works with a CD-ROM distribution set.
CDs are cheap.
A set has tons of other useful software. If you have problems, it is easy to start over if you have the media. You can use a running system to look at these files. There are also many books published to give you guidance, including The Linux Bible , The Complete FreeBSD , and one I recommend for all systems, UNIX System Administration Handbook by Nemeth et al. It would be wise to become familiar with these resources before you begin.