Boot Camp
Used by 9 peopleen.wikipedia.org ↗

“I intended to bootcamp Windows onto it, but Boot Camp doesn't support Apple's own hardware RAID card.”
Cal Henderson Interview, Web developer, professional asshat · via Uses This 
“I've also got Windows XP installed on a Boot Camp partition for gaming.”
John Siracusa Interview, Programmer, writer (Ars Technica) · via Uses This