OS/A+ 1.2
OS/A+ 1.2 (C) 1981 OSS

OS-A+ 1.2 – Screenshot 01

OS-A+ 1.2 – Screenshot 02
- Command line driven
- File copier (C) 1986 Norbert Hageman (from Computer Kontakt, not part of OS/A+)
System disk (ATR): OS-A+ 1.2 • • • » read more »
OS/A+ 1.2 (C) 1981 OSS
OS-A+ 1.2 – Screenshot 01
OS-A+ 1.2 – Screenshot 02
System disk (ATR): OS-A+ 1.2 • • • » read more »
DOS XL 2.35I1 (C) 1983 OSS, Inc.
Dos XL 2.35I1-LDW – Screenshot 01
System disk (ATR): Dos XL 2.35I1 LDW Super 2000 sync • • • » read more »
DOS XL 2.35I1 (C) 1983 OSS, Inc.
Dos XL 235I1 – Screenshot 01
Dos XL 235I1 – Screenshot 02
System disk (ATR): Dos XL 2.35I1 Indus GT sync • • • » read more »
DOS XL 2.30 (C) 1983 OSS,Inc
DOS XL 2.30 (C) 1994 FTe,Inc
Dos XL 2.30 OSS – Screenshot 01
Dos XL 2.30 FTe – Screenshot 01
System disk OSS (ATR): Dos XL 2.30 (OSS)
System disk FTe (ATR): Dos XL 2.30 • • • » read more »
DOS XL 2.20 (C) 1983 OSS, Inc.
Dos XL 2.20 – Screenshot 01
Dos XL 2.20 – Screenshot 02
System disk (ATR): Dos XL 2.20 • • • » read more »
DOS XE 1.00 (C) 1988 Atari Corp.
Dos XE 1.00 – Screenshot 01
Dos XE 1.00 – Screenshot 02
Dos XE 1.00 – Screenshot 03
DOS 4.0 (C) 1984 Atari inc.
DOS 4.0 Source Code
Dos 4.0 – Screenshot 01
Dos 4.0 – Screenshot 02
Dos 4.0 – Screenshot 03
Dos 4.0 Source – Screenshot 01
DOS 3 (C) 1983 Atari
Dos 3 – Screenshot 01
Dos 3 – Screenshot 02
System disk (ATR): Dos 3
Manual as below (PDF): Introduction to DOS 3
DOS 2.75 (C) 1986 Atari
Dos 2.75 – Screenshot 01
Dos 2.75 – Screenshot 02
• • • » read more »Well,
don`t let your hair get grey while thinking about DOS 2.75 ! Oh, I see, your
hair is already grey…
so
DOS 2.8F (C) 1983 Atari
Dos 2.8F – Screenshot 01
Dos 2.8F – Screenshot 02
System disk (ATR): Dos 2.8F • • • » read more »
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