Similar to 86-DOS
DOSエクステンダ
DOS extender
Expanded Memory Specification
Expanded memory
Extended Memory Specification
Extended memory
File Allocation Table
File Allocation Table
FreeDOS
FreeDOS
IBM PC DOS
IBM PC DOS
IO.SYS
IO.SYS
MS-DOS
MS-DOS
PTS-DOS
PTS-DOSQuarterdeck Expanded Memory Manager
QEMMTerminate and Stay Resident
Terminate-and-stay-resident programVirtual Control Program Interface
Virtual Control Program Interface
倚天中文系統
ETen Chinese System
仮想DOSマシン
Virtual DOS machineEDLIN
Edlin
OS-9
OS-9
Ada
Ada (programming language)SuperCalc
SuperCalc