the.com/bare metal
the computer with nothing between you and it — no operating system playing chaperone.
means hardware running without a hypervisor or virtual machine layer, so software talks directly to the physical processor and memory.
from from enterprise IT jargon distinguishing physical servers from the virtualized ones that exploded in popularity after vmware made one machine pretend to be twenty; bare metal meant the plain, unpretending original.
performance edgeno virtualization tax means faster, more predictable speed
cloud twistaws and others now rent you bare metal servers too
embedded codingbare metal programming means no os at all