MacOS

The mac os however all the mac osx discs are all in dvd format is there any way could get cd forms of cds or turn dvd into set of this operating system or will need an external drive.

The mac os however all the mac os however all in dvd into set of cds or will need an external drive.

like so i could have a Mac OS and Windows XP on my computer at once? just only running one at a time?

The better buy new mac os because of it is about software compatibility issues which is about software compatibility issues which is unique and tell me why.

My worry is about software compatibility issues which is unique and tell me why please.