Similar to UP-UX

• 

  UNICOS

  UNICOS
  
• 

  UNIX/32V

  UNIX/32V
  
• 

  Version 6 Unix

  Version 6 Unix
  
• 

  Version 7 Unix

  Version 7 Unix
  
• 

  VisionOS

  VisionOS
  
• 

  WatchOS

  WatchOS
  
• 

  Xv6

  Xv6
  
• 

  OpenIndiana

  OpenIndiana
  ▲1 trends

  
• 

  Sailfish OS

  Sailfish OS
  
• 

  Mac OS X v10.0

  Mac OS X 10.0
  
• 

  MINIX

  Minix
  
• 

  Linux

  Linux
  ▲3 trends

  
• 

  LynxOS

  LynxOS
  
• 

  ACOS-2

  
• 

  ACOS-4

  
• 

  ACOS-6

  
• 

  ADBS

  
• 

  Advanced Comprehensive Operating System

  Advanced Comprehensive Operating System
  
• 

  CLUSTERPRO

  
• 

  EWS-UX

  EWS-UX
  
• 

  EXPLANNER

  
• 

  EXPLANNER/Ai

  
• 

  EXPLANNER/J

  
• 

  EXPLANNER/Lg

  ▲1 trends

  
• 

  FlexProcess

  
• 

  MC-SAVER

  
• 

  Mogic Engine

  
• 

  N-BASIC