VOL. 4, NO. 3 / JULY 1985 / PAGE 40
by ERIC CLAUSEN
Why in the world are there so many versions of DOS (Disk Operating Systems)? Flip through your favorite Atari magazine (Antic, • • • » read more »
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
Loading...
Taking too long?
Reload document 
Open in 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 »
DOS 2.6F (C) 1983 Atari
Dos 2.6F 800 – Screenshot 01
System disk (ATR): Dos 2.6F for 800 use • • • » read more »
DOS 2.5F (C) 1983 Atari
Dos 2.5F – Screenshot 01
Dos 2.5F – Screenshot 02
System disk (ATR): Dos 2.5F • • • » read more »
DOS 2.5a 256 XLE Ramdisk
Dos 2.5a Rambo 256K – Screenshot 01
Dos 2.5a Rambo 256K – Screenshot 02
• • • » read more »IMPORTANT
———
The files on this disk have been
modified for use only by computers
that have the 256K Rambo XL upgrade.The RAMDISK.COM will set up two ram-
disks D7:
DOS 2.5 256KB S.A.G. XL/XE
Dos 2.5 SAG 256K with Source – Screenshot 01
• • • » read more »0110 ;##############################
0120 ;# #
0130 ;# 192K RAMDISK CONTROLLER #
0140 ;# FOR ATARI 256K XL/XE #
0150 ;# #
0160 ;# STICHTING ATARI GEBRUIKERS #
0170 ;# HARDWARE GROUP #
0180 ;# POSTBUS 2095
DOS 2.5+ HappyXL Archiver (C) 1986 Tim Patrick
Dos 2.5+ Happy Archiver – Screenshot 01
Dos 2.5+ Happy Archiver – Screenshot 02
• • • » read more »DOCUMENTATION FOR DOS 2.5+ 01/17/87
by TIM PATRICK – the Happy HackerAloha from Hawaii,
This is a modified version of
ATARI’s DOS 2.5, it has a number
People’s Thoughts