Hypervisor indecisive? Today's contenders from yesterday's Hipsters

Virtualisation from bearded types who liked it before it was cool

The origins of the hypervisor can be traced back to IBM's mainframe systems. Big Blue implemented something approximating a virtualisation platform as an experimental system in the mid-sixties but it wasn't until 1985 that the idea of the logical partition (or LPAR) on the pSeries and zSeries delivered something recognisable as the hypervisor technologies we see today."