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LW1DSE > TECH     13.11.11 19:42l 279 Lines 19091 Bytes #999 (0) @ WW
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Subj: History of DOS
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[――― TST HOST 1.43c, UTC diff:5, Local time: Sun Nov 13 09:00:45 2011 ®®®]

20 YEARS OF DOS HISTORY:
-----------------------

Updated 03/25/05
I created this "timeline" to show the history of the FreeDOS Project as it
relates to other DOS projects out there.  This is a compilation of information
from many sources - If you have additional history bits, please email them to
me. -jh



   1         2         3         4         5         6         7         8         9         0         1         2         3 |
---------x---------x---------x---------x---------x---------x---------x---------x---------x---------x---------x---------x---------x--
-1980-                                                *
                                                QDOS 0.1 7/80
                                                      |
                      MS-DOS 1.0<------------- 86-DOS 0.3 12/80
-1981-                    |                           |
   IBM Personal Computer  |<------------------ 86-DOS 1.0 4/81
      DOS 1.0 8/81<-------|
            :             |
-1982-      :             |
         1.1 6/82 <-- 1.10 6/82
            :         1.24 6/82
            :         1.25 7/82
-1983-   2.0 3/83 <-------|
            :         2.01 5/83                  SuperDOS
         2.1 10/83<-------|                          |
            :         2.11 12/83                     |
-1984-      :           *2.12                        |
            :             |                          |
         3.0 8/84 <-------|                          |
         3.1 11/84<-- 3.05 11/84                     |
-1985-      :             |                          |
                                           Digital Research
            :             |                          |                                             DOS-Plus 1.0
            :        *2.25 10/85                     |                                                  |
            :             |                          |                                                  |
-1986-   3.2 1/86 <-------|                          |                                                  |
            :        *4.00 4/86                      |                             DR Concurrent DOS -->|---------------->|
            :             |                          |                               CCI Concur. DOS    |                 |
            :             |                          |                                   DOS 386       2.01     CCI Conc. DOS 28
-1987-      :             |                          |                                      |           |             5.0 1/87
         3.3 4/87 <-------|                          |                                      |           |                 |
            |         3.30 7/87                      |                                      |           |                 |
            |         3.31 11/87                     |                                  1.12 10/87      |                 |
-1988-      |             |                          |                                      |        DR DOS               |
            |           *2.11R                       |                   XDOS               |        3.31 5/88        6.0 5/88
         4.0 8/88 ------->|                          |                    |             2.01 5/88      3.32
            |         4.00 12/88                     |                    |                 |          3.40
-1989-      :             |                          |                    |                 |        3.41 1/89
            :         4.01 4/89                      |                    |             3.01 3/89      3.42
            :        *3.21R 9/89                     |                    |                 |           |
            :             |                          |                    |                 |           *
-1990-      :             |                          |                    |                 |           |
            :           *3.3R                        |                    |  RxDOS      3.02 4/90    5.0 5/90
            :             |                          |                    |    |            |           |
            :             |                          |                    |    |            |           |
-1991-      |             |                          |                    |    |            |     Novell Multiuser
         5.0 5/91     5.00 7/91                      |                 NSS-DOS |        3.03 3/91   DR DOS 5.11
            |             *                          |                    |    |        3.04 7/91       |
            |             |                          |                    |    |            |           ?------------------>|
-1992-      |             |                          |                    |    |        3.05 2/92   6.0 3/92       IMS Multiuser DOS
            |             *                          |                 DOS/NT  |            R2      6.01 4/92               |
         5.01 8/92        |                          |                    |    |          R3+R4         |                   :
            |             |                          |                    |    |          R5+R6         *                   :
-1993-      |             |                          |                    |    |          R7+R8         |                   |
            *         6.00 3/93                      |                    |    |          R9+R10        |                  5.0
         6.1 8/93         *            (?)           |                    |    |      3.05 R11 8/93     |                   |
         6.3 9/93?    6.20 9/93         |            |                    |    |       3.06 12/93  Novell DOS               :
-1994-      |            6.21         PTS-DOS        |                    |    |          R2+R3     7.0 1/94                :
            |         6.22 5/94         |            |    PD-DOS 7/94     |    |        R4+R5+R6        |                   :
            |             *             |--> Paragon |   Free-DOS 10/94   |    |      3.06 R7 7/94      :          IMS      :
            |             |           6.51*   11/94  |         A1 <---- DOS-C  *            |           :           |<------|
-1995-      |             |             |       |    |         A2              |            |           :           |   7.0 2/95
         7.0 1/95         |           7.0 7/95  |    |      A3 1/95            |        3.07 3/95       :           |       |
            |     *Windows 95 8/95      |       |    |         |               |            |           :     REAL/32 9/95  |
            |             |             |       |    |         |               |            R2          :           |       |
-1996-      |             |             |       |    |         |               |            |           :           |       |
            |             |             |       |    |         A4              |            R3          :           |       |
            |     *Windows 95b 8/96     |       |    |         *               |   (?)      |           *           |   7.22 9/96
            |             |             |       |    |         |               |    |       R4       OpenDOS        |       R2
-1997-      |             |             |       |    |         |               | Datalight  |       7.01 2/97   7.6 2/97    R3
            |             |             |       |    |         |               |    |       R5          |------     |       R4
            |             |             |       |    |  FreeDOS A5 10/97       |    |       |           |     |     |       R5
            |             |             |       |    |     *A5 11/97           |    |       R6      7.02 9/97 | 7.7 11/97   R6
-1998-      |             |             |       |    |         |               |    |       |           |     |     |       |
        *2000 4/98        |             |       |    |      B1 7/98            |    | 3.07 R7 6/98      |     |     |  7.22 R7 6/98
            |        *Windows 98        |       |    |         |               |    |              DR-OpenDOS |     |       :
            :             |             |       |    |      B2 10/98           |    |                  7.02   |     |       :
-1999-      :             |             |       |    |         |               |    |                   |     | 7.81 2/99   :
            ? - - - - - ->|             |    2000(?) |      B3 5/99            |    |               7.03 3/99 |     |       :
            :       *Windows 98SE   2000 9/99   :    |         *<- - - - - 6.2 8/99 |                   |     |     |       :
            :             |             |       :    |      B4 12/99           |    |                   |     |     |       :
-2000-      :             |             |       :    |         |               |    |                   |     |     |       :
            :             |             |       :    |         |               :    |                   |     |     |       :
            :             |             |       :    |      B5 8/00                 |                   |     |     :  *7.22 Gold
            :        *Windows ME        |       :    |         |          Datalight ROM-DOS 7.1         |     :     :
-2001-                                                         :                02/21/2001              |     |
                                                               :                (-> notes)              |     |
                                                               :                    |                   |     +------------------+
                                                               :                    |                   |                        |
-2002-                                                         :                    |                   |               DR-DOS 7.01.01 7/02
                                                               :                    |                   |                        |
                                                               :                    |                   |                        |
                                                               :                    |                   |               DR-DOS 7.01.02 7/02
                                                               :                    |                   |                        |
                                                               :                    |                   |                        |
                                                               :                    |                   |                        |
-2003-                                                         :          Datalight ROM-DOS 7.1         |               DR-DOS 7.01.03 1/03
                                                               :          with many new i-tools         |                        |
                                                               :                03/27/3003              |                        |
                                                               :                    |                   |               DR-DOS 7.01.04 2/03
                                                               :                    |                   |                        |
                                                               :                    |                   |                        |
                                                               :                    |                   |               Dr-DOS 7.01.05 2/03
                                                               :                    |                   |                        |
                                                               :                    |                   |                        |
                                                               :                    |                   |               Dr-DOS 7.01.06 12/03
                                                               :                    |                   |                        |
                                                               :                    |                   |                        |
                                                               :                    |                   |                        |
                                                               :                    |                   |<-----------------------|
                                                               :                    |                   |                        |
-2004-                                                     B9 10/04                 |               Dr-DOS 8                     |
                                                               |                    |             (7.03+FAT32)                   |
                                                          B9sr1 12/04               |              03/29/2004                    |
                                                               |                    |                   |                        |
-2005-                                                         |        Dataligh ROM-DOS 7.1 rev.       |          Enhanced DR-DOS 7.01.07 3/05
                                                                                01/25/2005                                       |

---------x---------x---------x---------x---------x---------x---------x---------x---------x---------x---------x---------x---------x--
         1         2         3         4         5         6         7         8         9         0         1         2         3 |



Notes:
______________________


* Datalight ROM-DOS: 7.1 is the kernel, newer releases has new tools.
  mostly for networks and internet.

* Reportedly QDOS development was aided by original DRI tools used to
  port CP/M-80 to different OEM platforms, SCP has also been an DRI source code
  licensee of CP/M-80. I cannot prove this, but I have heard it from various
  sources over the years.  -Matthias

* MS-DOS 2.12 released in 1983 or 1984 was a special version for TI Pro.

* MS-DOS 2.25 released Oct '85 provided extended multilanguage support.

* MS-DOS 4.0 released Apr '86 was for Europe only, included basic
  multitasking, and was quickly withdrawn.

* MS-DOS 2.11R released in 1988 was used as a ROM DOS for Tandy PC's.

* MS-DOS 3.21R released Sep '89 was used as a ROM DOS for laptops.

* I haven't been able to find a reference to DR-DOS 4.x, but the jump
  from DR-DOS 3.x to DR-DOS 5.0 was too quick to have a 4.0 release.

* MS-DOS 3.3R released in 1990 was used as a ROM DOS for TI laptops.

* Russian MS-DOS 5.0: 1991-08-09

* Arabic MS-DOS 5.0: 1992-05-06

* Near the end of '92, DR DOS was sold to Novell Inc.

* Hebrew MS-DOS 5.0: 1993-06-03

* There was no PC DOS 6.0, the product name was IBM PC DOS 6.1
  (1993-11-19) It reports itself as DOS 6.0 at API level, though.
  -Matthias

* PTS-DOS 6.51 included S-DOS ("Source-DOS"?) which was the source for this
  version of DOS.

* MS-DOS "6.22V" released 8/94 was for Japan only, and provided double byte
Kanji support.

* `Dissecting DOS' by Michael Podanoffsky published December 1994
  (Addison-Wesley Pub Co; ISBN: 020162687X) featured a copy of RxDOS.

* MS-DOS 7.0 released 8/95 is the DOS in the original Windows 95.

* I have no idea when DR DOS code was licensed to IMS, but I assumed '91
because it was convenient.

* MS-DOS 7.10 released 8/96 is the DOS in Windows 95b (OSR2).

* `FreeDOS Kernel; An MS-DOS Emulator for Platform Independence and Embedded
   Systems Development' by Pat Villani published 1996 (CMP Books; ISBN:
   0879304367) provided a copy of DOS-C 0.91b. This is also where the name
   "Free-DOS" was changed to "FreeDOS".

* Near the end of '96, Novell DOS (DR DOS) was sold to Caldera.

* RxDOS development looked like it came to a halt by Aug '99, and the code was
  posted on the FreeDOS web site. However, it is now up again at
  http://rxdos.sourceforge.net/

* The FreeDOS A5 released Nov '97 was the first modern FreeDOS distribution,
  and was a re-release of the FreeDOS Alpha5.

* IBM PC-DOS 2000 released Apr '98 is actually DOS 7 Revision 1.

* I had thought MS-DOS 8.00 was the DOS in Windows 98 and "SE", but
  lost@tmdcrew.zzn.com tells me it was still 7.10, like Windows 95b.
  Matthias confirms this also

* Multiuser DOS GOLD Version 7.22 http://www.conctrls.com/

* In spring 1999 there have been rumours that Microsoft bought PC DOS 2000 from
  IBM, I don't know if this is true only for binary licenses, source code
  patches, or the full source code, and if the license would be exclusive or
  not.  -Matthias

* MS-DOS 8.00 is the DOS in Windows ME according to Millennium build 2348
  (Developer's Release) using INT21 AX30 (lost@tmdcrew.zzn.com). Other releases
  of Windows ME:
    build 2332 - "Developer's Release 0"
    build 2348 - "Developer's Release 1"
    build 2380 - "Beta 1"
    build 2420 - "Beta 2"
    build 2499 - "Beta 3"

* Enhanced Dr-DOS and DR-DOS 7.01.01+ has been developed by Udo Kuhnt
  <http://www.drdosprojects.de>

Missing
______________________

1. PTS-DOS history previous to 6.51 (http://www.phystechsoft.com/)

2. releases of Bluebird SuperDOS (http://www.bluebird.com/SuperDOS.htm)

3. CCI/Novell Multiuser DOS (V5.11 A-B 05/26/93) (V5.11 6 08/01/98) was
licensed from same code as IMS Multiuser DOS 5.  To be added.


References:
______________________

- DR-DOS history by Matthias Paul <Matthias.Paul@post.rwth-aachen.de>

- Enhanced Dr-DOS history by Florian Xaver <flox@drdos.org>

- I am indebted to Matthias Paul for many other areas on this history.

- DR-DOS history on drdos.org

- MS-DOS and PC-DOS history by Lasse Jensen <Lasse_Jensen1@online.pol.dk>

- ash <bast6@mindspring.com> provided me with several release dates from boxed
  sets of MS-DOS, PC-DOS and Novell DOS 7.  Thanks!

- Steven E. Ehrbar <ehrbar@SoftHome.net> provided me with release dates for
  Concurrent and Multiuser DOS, by Concurrent Controls Inc.
  (http://www.conctrls.com/frames/support/general/y2k.htm).  Steven
  also helped me with releases for IMS REAL/32 (http://www.lii.com/)

- Florian X was able to provide a bit of origin history of Paragon
  (http://www.paragon-gmbh.com/n_dos.htm), updated history of Datalight
  and Dr-DOS/Enhanced Dr-DOS!
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