The 80386 introduced Virtual 8086 (V86) mode -- allowing real-mode DOS programs to run inside protected mode under OS supervision. While not full virtualization in the modern sense, V86 was the first practical hardware-assisted mechanism on x86 for running legacy software in a protected environment -- used widely in Windows 3.x and Windows 9x.
Read the full story at The Verge.
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list manipulation.
MinCaml, OCaml (internally), Grace, EYG
Data centers need huge crews during construction—and far fewer workers once they’re up and running. There will be maintenance, retrofits, and expansions, but not at the same scale as the initial build-outs. For workers, that can mean moving on when a project wraps, or facing periods without a job lined up. During the 2008 recession, for example, nearly one in four of IBEW’s construction members were out of work.