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Author: WikiMatrix
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English[en]
The MVS core was almost entirely written in Assembler XF, although a few modules were written in PL/S, but not the performance-sensitive ones, in particular not the Input/Output Supervisor (IOS).
Korean[ko]
MVS 코어는 어셈블러 XF로 대부분 작성된 반면, 일부 모듈들은 PL/S로 작성되었지만 성능에(특히 입출력 수퍼바이저, 즉 IOS에서) 민감한 부분은 아니다.