Similar to MS-DOS

• 

  Transaction Processing Facility

  Transaction Processing Facility
  
• 

  Z/OS

  Z/OS
  ▲2 trends

  
• 

  Z/VSE

  VSE (operating system)
  
• 

  Z/VM

  Z/VM
  ▲2 trends

  
• 

  LAN Server

  IBM LAN Server
  
• 

  DOS (オペレーティングシステム)

  DOS
  
• 

  86-DOS

  86-DOS
  
• 

  Abort, Retry, Fail?

  Abort, Retry, Fail?
  
• 

  DESQview

  DESQview
  
• 

  DOS API

  DOS API
  
• 

  DOS MZ executable

  DOS MZ executable
  
• 

  Expanded Memory Specification

  Expanded memory
  
• 

  Extended Memory Specification

  Extended memory
  
• 

  IO.SYS

  IO.SYS
  
• 

  PTS-DOS

  PTS-DOS
  
• 

  Quarterdeck Expanded Memory Manager

  QEMM
  
• 

  Terminate and Stay Resident

  Terminate-and-stay-resident program
  
• 

  Virtual Control Program Interface

  Virtual Control Program Interface
  
• 

  倚天中文系統

  ETen Chinese System
  
• 

  Pilot (オペレーティングシステム)

  Pilot (operating system)
  
• 

  SQL/DS

  IBM SQL/DS
  
• 

  XENIX

  Xenix
  
• 

  Xinu

  Xinu
  
• 

  ATOK

  ATOK
  ▲1 trends

  
• 

  カーミット (プロトコル)

  Kermit (protocol)