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VM

since unknown year (earliest usage recorded on this site was 1987)

VM (often: VM/CMS) refers to a family of IBM virtual machine operating systems used on IBM mainframes System/370, System/390, zSeries, System z and compatible systems

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dl
NX172
dl - 1 years
NX172 - 9 years
1987
VM/CMS. beware the comment column
2009–

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