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NOS/VE
open-in-new
<p>NOS/VE (Network Operating System / Virtual Environment) is a discontinued <a href="/facts/Operating_system/8XTuvMh2">operating system</a> with <a href="/facts/Time-sharing/LE5XT9Go">time-sharing</a> capabilities, written by <a href="/facts/Control_Data_Corporation/ChfGgfPM">Control Data Corporation</a> in the 1980s. It is a <a href="/facts/Virtual_memory/Lw2GemF5">virtual memory</a> operating system, employing the <a href="/facts/64-bit/AgvkQHkM">64-bit</a> virtual mode of the <a href="/facts/CDC_Cyber/04hxKmJw">CDC Cyber 180 series</a> computers. NOS/VE replaced the earlier <a href="/facts/NOS_(operating_system)/K3MSDr0n">NOS</a> and NOS/BE operating systems of the 1970s. </p>