Well it was released on Linux in 2007, so it's meant Kernel Virtual Machine for at least 18 years
replySee: https://en.wikipedia.org/wiki/Kernel-based_Virtual_Machine
KVM (as in the switch) was termed in 1995: https://en.wikipedia.org/wiki/KVM_switch
replyIt certainly wasn't in common usage that early - at least not outside of linux circles. I don't really recall hearing it in this context before maybe the early 20's
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