Atari DOS 1#

This is the first Atari DOS from 1979. It should only be used with rare programs, that were developed under this specific DOS.

Reference#

• Wikipedia: Atari DOS

Manual#

• Atari Disk Operating System Reference Manual-DOS 1.pdf ; size: 2.3 MB
• Atari-Disk Operating System-Reference Manual ; size: 21.6 MB

ATR-Image#

• Atari DOS 1.0.atr