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Microsoft MS-DOS 4.00

MS-DOS 4.00 was released in October 1988.

See the PC DOS 4.00 Feature Summary for more details.

Directory Listings of the six 360Kb distribution diskettes are provided below.

[PCjs Machine "ibm5170-msdos400"]

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Directory of MS-DOS 4.00 (Disk 1)

 Volume in drive A has no label
 Directory of A:\

IO       SYS*    33321  10-06-88  12:00a
MSDOS    SYS*    37376  10-06-88  12:00a
COMMAND  COM     37556  10-06-88  12:00a
AUTOEXEC BAT        39  10-06-88  12:00a
CONFIG   SYS        96  10-06-88  12:00a
COUNTRY  SYS     12806  10-06-88  12:00a
DISKCOPY COM     10396  10-06-88  12:00a
DISPLAY  SYS     15692  10-06-88  12:00a
FDISK    EXE     60935  10-06-88  12:00a
FORMAT   COM     22859  10-06-88  12:00a
KEYB     COM     14727  10-06-88  12:00a
KEYBOARD SYS     23328  10-06-88  12:00a
REPLACE  EXE     19415  10-06-88  12:00a
SELECT   COM      3642  10-06-88  12:00a
SELECT   HLP     28695  10-06-88  12:00a
SELECT   PRT      1329  10-06-88  12:00a
SYS      COM     11456  10-06-88  12:00a
       17 file(s)     333668 bytes
                       18432 bytes free

Directory of MS-DOS 4.00 (Disk 2)

 Volume in drive A has no label
 Directory of A:\

COMMAND  COM     37556  10-06-88  12:00a
ASSIGN   COM      5753  10-06-88  12:00a
ATTRIB   EXE     18263  10-06-88  12:00a
CHKDSK   COM     17787  10-06-88  12:00a
COMP     COM      9459  10-06-88  12:00a
DEBUG    COM     21574  10-06-88  12:00a
DISKCOMP COM      9857  10-06-88  12:00a
EDLIN    COM     14069  10-06-88  12:00a
FC       EXE     15807  10-06-88  12:00a
FILESYS  EXE     11129  10-06-88  12:00a
FIND     EXE      5941  10-06-88  12:00a
IFSFUNC  EXE     21739  10-06-88  12:00a
JOIN     EXE     17813  10-06-88  12:00a
LABEL    COM      4458  10-06-88  12:00a
MEM      EXE     20005  10-06-88  12:00a
MORE     COM      2134  10-06-88  12:00a
SHARE    EXE     13424  10-06-88  12:00a
SORT     EXE      5882  10-06-88  12:00a
SUBST    EXE     18467  10-06-88  12:00a
TREE     COM      6302  10-06-88  12:00a
XCOPY    EXE     17055  10-06-88  12:00a
       21 file(s)     294474 bytes
                       56320 bytes free

Directory of MS-DOS 4.00 (Disk 3)

 Volume in drive A has no label
 Directory of A:\

COMMAND  COM     37556  10-06-88  12:00a
EMM386   SYS     87776  10-06-88  12:00a
EXE2BIN  EXE      7963  10-06-88  12:00a
GWBASIC  EXE     80608  10-06-88  12:00a
LINK     EXE     43988  10-06-88  12:00a
PRINT    COM     14131  10-06-88  12:00a
RAMDRIVE SYS      8235  10-06-88  12:00a
SMARTDRV SYS     10224  10-06-88  12:00a
XMA2EMS  SYS     29211  10-06-88  12:00a
        9 file(s)     319692 bytes
                       39936 bytes free

Directory of MS-DOS 4.00 (Disk 4)

 Volume in drive A has no label
 Directory of A:\

IO       SYS*    33321  10-06-88  12:00a
MSDOS    SYS*    37376  10-06-88  12:00a
COMMAND  COM     37556  10-06-88  12:00a
ANSI     SYS      9105  10-06-88  12:00a
APPEND   EXE     11154  10-06-88  12:00a
COUNTRY  SYS     12806  10-06-88  12:00a
DISPLAY  SYS     15692  10-06-88  12:00a
DRIVER   SYS      5241  10-06-88  12:00a
FASTOPEN EXE     16702  10-06-88  12:00a
GRAFTABL COM     10239  10-06-88  12:00a
GRAPHICS COM     16693  10-06-88  12:00a
GRAPHICS PRO      9397  10-06-88  12:00a
HIMEM    SYS      6261  10-06-88  12:00a
KEYB     COM     14727  10-06-88  12:00a
KEYBOARD SYS     23328  10-06-88  12:00a
MODE     COM     22960  10-06-88  12:00a
NLSFUNC  EXE      6878  10-06-88  12:00a
PRINTER  SYS     18914  10-06-88  12:00a
RAMDRIVE SYS      8235  10-06-88  12:00a
RECOVER  COM     10588  10-06-88  12:00a
4201     CPI      6404  10-06-88  12:00a
4208     CPI       720  10-06-88  12:00a
5202     CPI       370  10-06-88  12:00a
README   TXT     14148  10-12-88   9:13p
       24 file(s)     348815 bytes
                        1024 bytes free

Directory of MS-DOS 4.00 (Disk 5)

 Volume in drive A has no label
 Directory of A:\

BACKUP   COM     36880  10-06-88  12:00a
EGA      CPI     49068  10-06-88  12:00a
FORMAT   COM     22859  10-06-88  12:00a
LCD      CPI     10703  10-06-88  12:00a
MODE     COM     22960  10-06-88  12:00a
RESTORE  COM     36946  10-06-88  12:00a
SELECT   DAT     22999  10-06-88  12:00a
SELECT   EXE     95107  10-06-88  12:00a
XMA2EMS  SYS     29211  10-06-88  12:00a
        9 file(s)     326733 bytes
                       30720 bytes free

Directory of MS-DOS 4.00 (Disk 6)

 Volume in drive A has no label
 Directory of A:\

CHKDSK   COM     17787  10-06-88  12:00a
DISKCOPY COM     10396  10-06-88  12:00a
PCIBMDRV MOS       263  10-06-88  12:00a
PRINT    COM     14131  10-06-88  12:00a
SHELL    CLR      4406  10-06-88  12:00a
SHELL    HLP     66527  10-06-88  12:00a
SHELL    MEU      4588  10-06-88  12:00a
SHELLB   COM      3894  10-06-88  12:00a
SHELLC   EXE    153855  10-06-88  12:00a
DOSUTIL  MEU      6660  10-06-88  12:00a
COMMAND  COM     37556  10-06-88  12:00a
       11 file(s)     320063 bytes
                       36864 bytes free