Category:メインフレームのオペレーティングシステム

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  Z/VSE

  VSE (operating system)
  
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  OS2200

  OS 2200
  
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  ACOS-2

  
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  GCOS

  General Comprehensive Operating System
  
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  ACOS-6

  
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  UXP/M

  
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  Advanced Comprehensive Operating System

  Advanced Comprehensive Operating System
  
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  BESYS

  BESYS
  
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  GM-NAA I/O

  GM-NAA I/O
  
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  Multiple Virtual Storage

  MVS
  
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  SHARE OS

  SHARE Operating System
  
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  Transaction Processing Facility

  Transaction Processing Facility
  
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  UXP (オペレーティングシステム)

  
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  DOS/360

  DOS/360 and successors
  
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  Z/VM

  Z/VM
  
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  IBSYS

  IBM 7090/94 IBSYS
  ▼-1 trends

  
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  OS/390

  OS/390
  
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  VOS3

  
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  OS/360

  OS/360 and successors
  
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  Z/OS

  Z/OS
  
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  ACOS-4