Category: Atari 400-800-XL-XE Tools
DOS / DUP 2.5 Source Code – Rob Bishoff 1986-1987

Dos 2.5 Source DD – Screenshot 01

Dos 2.5 Source SD1 – Screenshot 01

Dos 2.5 Source SD2 – Screenshot 02
- Reconstruction with comments
MyDos Double Density LST file’s (ATR / 7-Zip): Dos 2.5 sources LST (MyDos)
DOS 2 Single • • • » read more »
DOS 2.5 Utilities (C) 1984 Atari Corp.

Dos 2.5 with Tools – Screenshot 01
- Configuration Set Up and BASIC autorun
- 130XE Ram Disk
- Copy DOS 3 -> DOS 2
- Diskfix Utility
- Scopy File and Disk Copier
- BASIC Lister v3.1 (German)
System disk (ATR): Dos 2.5 Tools • • • » read more »
ATARI DISK OPERATING SYSTEM 2.5
Every effort has been made to ensure the accuracy of the product
documentation in this manual. However, because we are constantly improving and
updating our computer software and hardware, Atari Corp. is unable to guarantee
the accuracy of printed material after the date of publication
• • •
» read more »
DOS 2.5 – Deutsch (C) 1985 Atari Corp.

Dos 2.5 German – Screenshot 01
- German translated version
System disk (ATR): Dos 2.5 German • • • » read more »
DOS 2.5 Chaos Command Processor 3.0B (C) CHAOS software, Winter 1989

Dos 2.5 Command Processor 3.08 – Screenshot 01
- DOS 2.5 without DUP
- Uses Command Line processor
System disk (ATR): Dos 2.5 Chaos Command Processor 3.08 • • • » read more »
DOS 2.5 (C) 1984 modified

Dos 2.5, 931sect – Screenshot 01
- Enhanced by Wolfhook
- DOS 2.0s enhanced to 931 free sectors
System disk (ATR): Dos 2.5 – 931 • • • » read more »
DOS 2.1P (C) 1980 Atari

Dos 2.1P – Screenshot 01
- Looks just like DOS 2.0
- No further info available
System disk (ATR): Dos 2.1P • • • » read more »
DOS 2.1C (C) 1980 Atari

Dos 2.1C Enhanced – Screenshot 01
- Enhanced by L. J. Silver
- Comes up with a greenish dup-menu
System disk (ATR): Dos 2.1C • • • » read more »
DOS 2.0S (C) 1980 Atari

Dos 2.0S – Screenshot 01
- Plain DOS disk (just the system files)
- Only single density
System disk (ATR): Dos 2.0S • • • » read more »
DOS 2.0 – Corvus Source Code

Dos 2 Corvus 815 Source Code – Screenshot 01
- For the Corvus 815 hard disk system
- MyDOS 4.53 format
MyDos High Density format (ATR): Dos 2 sources Corvus – 815 • • • » read more »
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