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DOS版本考

磁盘操作系统
维基百科，自由的百科全书。

磁盘操作系统是早期个人电脑上使用的一种主要操作系统，习惯上按其英文缩写称作DOS(Disk Operation System)。最早的DOS系统是由微软公司为IBM个人电脑开发的，即MS-DOS。后来这一概念也包括了其他公司生产的与MS-DOS兼容的系统，如PC-DOS、DR-DOS, 以及少数一些不太出名的DOS兼容产品。它们在1985年到1995年间占据操作系统的统治地位。

Please email additions/corrections/questions t
Speaker to Animals, speaker@kzin.com

Manuf Version Released Comments Verified
SCP - 2/1981 Seattle Computer Products’ Quick-n-Dirty Operating System. Runs on IBM’s wirewrapped PC prototype.
IBM/MS 1.0 8/1981 Original IBM/MS release. *
IBMBIO  .COM     1920   07/23/1981   12:00:00
IBMDOS  .COM     6400   08/13/1981   12:00:00
COMMAND .COM     3231   08/04/1981   12:00:00
IBM/MS 1.05 8/1981 Fixes to BASIC interpreter. *
IBMBIO  .COM     1920   07/23/1981   00:00:00
IBMDOS  .COM     6400   08/13/1981   00:00:00
COMMAND .COM     3231   08/04/1981   00:00:00
IBM/MS 1.1 5/1982 Bugfix. Doubled sided drive support. *
IBMBIO  .COM     1920   05/07/1982   12:00:00
IBMDOS  .COM     6400   05/07/1982   12:00:00
COMMAND .COM     4959   05/07/1982   12:00:00
IBM/MS 1.25 7/1982 For early compatibles. This is the first non-IBM OEM version.
Zenith 1.25 ??/????

IBMBIO  .COM     1713            ?          ?
IBMDOS  .COM     6138            ?          ?
COMMAND .COM     4986            ?          ?
IBM/MS 2.0 3/1983 For PC/XT, Unix-type subdirectory support, installable device drivers, I/O redirection, subdirectories, hard disk support, file handle calls. *
IBMBIO  .COM     4608   03/08/1983   12:00:00
IBMDOS  .COM    17152   03/08/1983   12:00:00
COMMAND .COM    17664   03/08/1983   12:00:00
IBM/MS 1.85 4/1983 Internal IBM - extended 1.1 - not released. New features added, i.e. enhanced COMMAND.COM with command line editing.
IBM/MS 2.01 ?/1983 First support for individual country formats, Kanji
IBM/MS 2.1 10/1983 For IBM PCjr, bugfixes for 2.0. No country support. *
IBMBIO  .COM     4736   10/20/1983   12:00:00
IBMDOS  .COM    17024   10/20/1983   12:00:00
COMMAND .COM    17792   10/20/1983   12:00:00
MS 2.11 11/1983 Basically a cross of PC-DOS 2.1 and MS-DOS 2.01.
IBMBIO  .COM     6836   11/17/1983   ??:??:??
IBMDOS  .COM    17176   11/17/1983   ??:??:??
COMMAND .COM    15957   11/17/1983   ??:??:??
Wang 2.01 12/1983

IBMBIO  .COM    30482   12/22/1983   ??:??:??
IBMDOS  .COM    17521   12/22/1983   ??:??:??
COMMAND .COM    15877   12/22/1983   ??:??:??
IBM 2.11 6/1984

IBMBIO  .COM     5120   05/30/1984   ??:??:??
IBMDOS  .COM    17408   05/30/1984   ??:??:??
COMMAND .COM    18272   05/30/1984   ??:??:??
MS 2.12 ??/???? Special version for TI Professional (nonstandard video and keyboard)
IBM 3.0 8/1984 1.2 meg drive for PC/AT, some new system calls, new external programs, 16-bit FAT, specific support for IBM network.
IBMBIO  .COM     8964   1984/07/05   15:00:00
IBMDOS  .COM    27920   1984/07/05   15:00:00
COMMAND .COM    22042   1984/08/14   08:00:00
Sanyo 2.11 9/1984

IBMBIO  .COM     5164   09/03/1984   ??:??:??
IBMDOS  .COM    17019   09/03/1984   ??:??:??
COMMAND .COM    16117   09/03/1984   ??:??:??
MS 3.05 11/1984 First OEM version of 3.x.
IBM 3.1 3/1985
*
IBMBIO  .COM     9564   03/07/1985   13:43:00
IBMDOS  .COM    27760   03/07/1985   13:43:00
COMMAND .COM    23210   03/07/1985   13:43:00
AT&T 2.11 6/1985 "AT&T Personal Computer 6300 DOS Release 2.0" *
IBMBIO  .COM     6917   06/05/1985   12:00:00
IBMDOS  .COM    17176   06/05/1985   12:00:00
COMMAND .COM    15957   06/05/1985   12:00:00
IBM/MS 2.25 10/1985 Extended foreign language support
IBM 3.2 1/1986 720k 3.5 inch drive support, special support for laptops (IBM PC Convertible), XCOPY
IBMBIO  .COM    16369   12/30/1985   ??:??:??
IBMDOS  .COM    28477   12/30/1985   ??:??:??
COMMAND .COM    23791   12/30/1985   ??:??:??
Generic 3.2 ?/1986? "Disk Operation System Version 3.20 1981-1986" *
IO      .SYS    16138            ?          ?
MSDOS   .SYS    28480            ?          ?
COMMAND .COM    23612            ?          ?
MS 4.0 4/1986 Multitasking (Europe only). Withdrawn from market after a very short run.
HP 3.1 5/1986
*
IO      .SYS    12288   05/20/1986   12:00:00
MSDOS   .SYS    27952   05/20/1986   12:00:00
COMMAND .COM    22677   05/20/1986   12:00:00
MS 3.2 7/1986

IBMBIO  .COM    16138   07/07/1986   ??:??:??
IBMDOS  .COM    28480   07/07/1986   ??:??:??
COMMAND .COM    23612   07/07/1986   ??:??:??
Compaq 3.1 11/1986
*
IBMBIO  .COM     9728   10/31/1986   12:00:00
IBMDOS  .COM    27760   10/31/1986   12:00:00
COMMAND .COM    23210   10/31/1986   12:00:00
Compaq 3.2 2/1987
*
IBMBIO  .COM    16490   02/06/1987   12:00:00
IBMDOS  .COM    28477   02/06/1987   12:00:00
COMMAND .COM    23855   02/06/1987   12:00:00
IBM 3.3 3/1987 For PS/2 series, 1.44 meg support, multiple DOS partition support, code page switching, improved foreign language support, some new function calls, support for the AT’s CMOS clock. *
IBMBIO  .COM    22100   03/18/1987          ?
IBMDOS  .COM    30159   03/17/1987          ?
COMMAND .COM    25307   03/17/1987          ?
MS 3.21 5/1987

IO      .SYS        ?   05/01/1987   ??:??:??
MSDOS   .SYS        ?   05/01/1987   ??:??:??
COMMAND .COM        ?   05/01/1987   ??:??:??
MS 3.3 7/1987
*
IO      .SYS    22357   07/24/1987   00:00:02
MSDOS   .SYS    30128   07/24/1987   00:00:02
COMMAND .COM    25276   07/24/1987   00:00:02
HP 3.2 8/1987
*
IBMBIO  .COM    16634   08/24/1987   13:02:00
IBMDOS  .COM    28560   08/24/1987   13:02:00
COMMAND .COM    23660   08/24/1987   13:02:00
Zenith 3.21 9/1987

IBMBIO  .COM    18501   09/28/1987   ??:??:??
IBMDOS  .COM    28480   09/28/1987   ??:??:??
COMMAND .COM    23948   09/28/1987   ??:??:??
MS 3.31 11/1987 Over-32 meg DOS partitions. Different versions from different OEMs (not Microsoft). Compaq and Wyse are most common.
IBM/MS 2.11R ?/1988 Bootable ROM DOS for Tandy machines.
MS 3.3a 2/1988
*
IO      .SYS    22398   02/02/1988   00:00:02
MSDOS   .SYS    30128   02/02/1988   00:00:02
COMMAND .COM    25308   02/02/1988   00:00:02
Epson 3.3 2/1988
*
IBMBIO  .COM    22452   02/01/1988   11:39:06
IBMDOS  .COM    30128   12/03/1987   15:49:54
COMMAND .COM    25276   12/03/1987   18:45:28
HP 3.2 3/1988
*
IBMBIO  .COM    16666   03/01/1988   13:03:00
IBMDOS  .COM    28560   08/14/1987   13:02:00
COMMAND .COM    23660   08/14/1987   13:02:00
IBM 4.0 8/1988 32mb disk limit officially broken, minor EMS support, more new function calls, enhanced network support for external commands. PCjr support dropped. *
IBMBIO  .COM    32816   08/03/1988   12:00:00
IBMDOS  .COM    36000   08/03/1988   12:00:00
COMMAND .COM    37637   06/17/1988   12:00:00
MS 4.01 1/1989 Microsoft version with some bugfixes.
MS 4.01a 4/1989
*
IO      .SYS    33337   12/19/1988   00:00:02
MSDOS   .SYS    37376   04/07/1989   00:00:02
COMMAND .COM    37557   12/19/1988   00:00:02
MS 3.31 6/1989 COMMAND .COM 25276 06/01/1989 00:00:00 Vendex OEM version.
IO      .SYS    23581   06/14/1989   12:07:58
MSDOS   .SYS    30672   06/11/1989   16:33:02
DR 3.41 7/1989 DRBIOS.SYS 18304 06/30/1989 12:16:00 DRBDOS.SYS 39385 07/14/1989 12:00:00 *
COMMAND .COM    35840   06/30/1989   12:16:00
MS 3.21R 9/1989 DOS in ROM, Flash File System for laptops.
Toshiba 3.3 10/1989
*
IBMBIO  .COM    20031   10/31/1989   09:00:02
IBMDOS  .COM    30128   06/10/1988   09:00:02
COMMAND .COM    25372   09/16/1988   09:00:02
MS 3.3R ?/1990 DOS in ROM, introduced for TI laptops.
IBM 3.4 ?/? Internal IBM. Not released (4.0 development)
IBM 5.0 5/1991
*
IBMBIO  .COM    33430   05/09/1991   12:00:00
IBMDOS  .COM    37378   05/09/1991   12:00:00
COMMAND .COM    47987   05/09/1991   12:00:00
MS 5.0 6/1991 High memory support, uses up to 8 hard disks, command line editor and aliasing, 2.88 floppies, ROMable OEM kit available. *
IO      .SYS    33430   06/17/1991   05:00:00
MSDOS   .SYS    37394   06/17/1991   05:00:00
COMMAND .COM    47845   06/17/1991   05:00:00
MS 5.00.02 11/1991
*
IO      .SYS    33430   11/11/1991   05:00:02
MSDOS   .SYS    37394   11/11/1991   05:00:02
COMMAND .COM    47845   11/11/1991   05:00:02
IBM 5.00.1a 2/1992 Patches to IBM 5.0. *
IBMBIO  .COM    37378   02/28/1992   12:00:00
IBMDOS  .COM    33446   11/29/1991   12:00:00
COMMAND .COM    48006   02/28/1992   12:00:00
MS V 2/1993 Japanese-market version of 5, with double byte Kanji character support
IO      .SYS        ?   02/??/1993   ??:??:??
MSDOS   .SYS        ?   02/??/1993   ??:??:??
COMMAND .COM        ?   02/??/1993   ??:??:??
MS 6.0 3/1993 Disk compression (Doublespace), multiple configurations in CONFIG.SYS *
IO      .SYS    40470   03/10/1993   06:00:00
MSDOS   .SYS    38138   03/10/1993   06:00:00
COMMAND .COM    52925   03/10/1993   06:00:00
MS 6.20 9/1993
*
IO      .SYS    40566   09/30/1993   06:20:00
MSDOS   .SYS    38138   09/30/1993   06:20:00
COMMAND .COM    54619   09/30/1993   06:20:00
IBM 6.3 12/1993
*
IBMBIO  .COM    40758   12/31/1993   00:00:00
IBMDOS  .COM    37174   12/31/1993   00:00:00
COMMAND .COM    54654   12/31/1993   00:00:00
MS 7.0Beta 1/1994 MS Internal for "Chicago" (Windows95). Never Released. *
IO      .SYS    45350   01/01/1994   07:00:08
MSDOS   .SYS    39494   01/01/1994   07:00:16
COMMAND .COM    78043   01/01/1994   07:00:02
Novell 7.0 1/1994
*
IBMBIO  .COM    27880   01/26/1994   07:00:00
IBMDOS  .COM    29684   01/26/1994   07:00:00
COMMAND .COM    56081   01/26/1994   07:00:00
MS 6.21 2/1994
*
IO      .SYS    40566   02/13/1994   06:21:00
MSDOS   .SYS    38138   02/13/1994   06:21:00
COMMAND .COM    54619   02/13/1994   06:21:00
MS 6.22 5/1994
*
IO      .SYS    40774   05/31/1994   06:22:00
MSDOS   .SYS    38138   05/31/1994   06:22:00
COMMAND .COM    64645   05/31/1994   06:22:00
MS 7.0 ?/? Embedded in Windows 95.
IO      .SYS        ?            ?          ?
MSDOS   .SYS      n/a            ?          ?
COMMAND .COM        ?            ?          ?
MS 7.1 8/1996 Embedded in Windows 95B (OSR2). *
IO      .SYS   214836   08/24/1996   11:11:10
MSDOS   .SYS      n/a   08/24/1996   11:11:10
COMMAND .COM    93812   08/24/1996   11:11:10
Caldera 7.01 11/1997 Commonly called OpenDOS. *
IBMBIO  .COM    27880   11/04/1997   07:01:00
IBMDOS  .COM    30081   11/04/1997   07:01:00
COMMAND .COM    55077   11/04/1997   07:01:00
Caldera 7.02 2/1998 Renamed to DR-DOS. *
IBMBIO  .COM    29594   02/27/1997   07:02:00
IBMDOS  .COM    30720   02/27/1997   07:02:00
COMMAND .COM    66657   02/27/1997   07:02:00
IBM 7.? 5/1998 "DOS2000". Year 2000 compliant. *
IBMBIO  .COM    40726   04/30/1998   13:00:00
IBMDOS  .COM    37066   04/30/1998   13:00:00
COMMAND .COM    52965   04/30/1998   13:00:00
Caldera 7.03 1/1999
*
IBMBIO  .COM    24810   01/07/1999   07:03:00
IBMDOS  .COM    30880   01/07/1999   07:03:00
COMMAND .COM    66785   01/07/1999   07:03:00

Verified (*) indicates that the DOS kernel file size/date/time was matched against an archived copy

DOS Version History
Author Unknown
Version  Year  Features
1.0      1981  Original Disk Operating System
1.1      1982  Support for double-sided disks
2.0      1983  Support for sub directories
2.01     1983  Support for international symbols
2.25     1983  Bug fixes
3.0      1984  Extended character set, large hard disks
3.1      1984  Support for PC networks, bug fixes
3.2      1986  Support for 3.5-inch disks
3.3      1987  Support for PS/2 computers
4.0      1988  Support for large partitions
4.01     1989  Bug fixes
5.0      1990  New shell, new editor, smaller kernel, memory management
6.0      1993  Disk Compression, better Memory Management, and AntiVirus
               software now included in the operating software.
6.2      1993  Microsoft claims it was not a bug fix for 6.0,
               but most observers saw it as that.