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KMerrigold (talk | contribs) m I have added an internal link to "IBM" article. |
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=== 1960 ===
{{Main|IBM CP-40|CP/CMS|History of CP/CMS|IBM System/360 Model 67}}
In the mid-1960s, [[IBM]]'s [[Cambridge Scientific Center]] developed [[IBM CP-40|CP-40]], the first version of [[CP/CMS]]. It went into production use in January 1967. From its inception, [[IBM CP-40|CP-40]] was intended to implement [[full virtualization]]. Doing so required hardware and microcode customization on a S/360-40, to provide the necessary address translation and other virtualization features. Experience on the [[IBM CP-40|CP-40]] project provided input to the development of the [[IBM System/360 Model 67]], announced in 1965 (along with its ill-starred operating system, [[TSS/360]]). [[IBM CP-40|CP-40]] was re-implemented for the S/360-67 as CP-67, and by April 1967, both versions were in daily production use. [[CP/CMS]] was made generally available to IBM customers in source code form, as part of the unsupported [[IBM Type-III Library]], in 1968.
=== 1964 ===
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