DOS or Disk Operating System could refer to any number of incompatible operating systems, including but not limited to: MS-DOS, PC-DOS, DR-DOS, FreeDOS, PTS-DOS, ROM-DOS, Novell DOS & OpenDOS on IBM-PC compatibles; additionally with AmigaDOS, AMSDOS, ANDOS, Apple DOS, Atari DOS, Commodore DOS, CSI-DOS, ProDOS, and TRS-DOS running on non-x86 hardware. If at all possible, please be clear if it was an IBM-PC compatible or other computer running DOS.
DOS or Disk Operating System could refer to any number of incompatible operating systems, including but not limited to (on IBM-PC compatibles):
- MS-DOS
- PC-DOS
- DR-DOS
- FreeDOS
- PTS-DOS
- ROM-DOS
- Novell DOS
- OpenDOS
Additionally running on non-x86 hardware:
- AmigaDOS
- AMSDOS
- ANDOS
- Apple DOS
- Atari DOS
- Commodore DOS
- CSI-DOS
- ProDOS
- TRS-DOS
If at all possible, please be clear if it was an IBM-PC compatible or other computer running DOS.
