IBM OS/2 1.0

IBM OS/2 1.0 was announced on April 2, 1987, finalized in October 1987, and released in December 1987.

When the installation disk boots, the following message is displayed on-screen:

IBM Operating System/2 Version 1.00
(C) Copyright IBM Corp. 1981, 1987. All rights reserved.
(C) Copyright Microsoft Corp. 1981, 1987.

87294

The 5-digit number indicates the day the files were built. The first 2 digits (87) are the year and the 3 remaining digits (294) are the day of the year (October 21).

Directory listings of the four 1.44Mb distribution diskettes are provided below.

IBM OS/2 1.0 has been pre-installed on this machine’s 20Mb hard disk, along with a copy of the Microsoft OS/2 SDK 1.02, as discussed in the PCjs Blog.

[PCx86 Machine]

Directory of IBM OS/2 1.0 (1.44M Install)

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

IBMBIO   COM      4096 10-21-87  12:00p
IBMDOS   COM    255665 10-21-87  12:00p
ABIOS    SYS        49 10-21-87  12:00p
ANSICALL DLL      3637 10-21-87  12:00p
BKSCALLS DLL      5704 10-21-87  12:00p
BMSCALLS DLL      2576 10-21-87  12:00p
BVSCALLS DLL     31744 10-21-87  12:00p
CLOCK01  SYS      2762 10-21-87  12:00p
CLOCK02  SYS      3188 10-21-87  12:00p
CMD      EXE     57648 10-21-87  12:00p
CONFIG   SYS       101 10-21-87  12:00p
COUNTRY  SYS     14632 10-21-87  12:00p
CPISPFPC DLL    108598 10-21-87  12:00p
DISK01   SYS     18616 10-21-87  12:00p
DISK02   SYS     20329 10-21-87  12:00p
DOSCALL1 DLL      8709 10-21-87  12:00p
DMPC     EXE      2472 10-21-87  12:00p
DTM      DLL      2222 10-21-87  12:00p
F80000   BIO      9216 10-21-87  12:00p
F80100   BIO      8704 10-21-87  12:00p
FC0400   BIO      6656 10-21-87  12:00p
FC0500   BIO      9216 10-21-87  12:00p
FORMAT   COM     47344 10-21-87  12:00p
HARDERR  EXE     16288 10-21-87  12:00p
INSTAID  CMD       279 10-21-87  12:00p
INSTAID  CNF       151 10-21-87  12:00p
INSTAID  LIB     24064 10-21-87  12:00p
INSTAID  PRO       174 10-21-87  12:00p
INSTAIDE EXE     58346 10-21-87  12:00p
ISPD     MSG      1542 10-21-87  12:00p
ISPM     MSG       500 10-21-87  12:00p
KBD01    SYS     16945 10-21-87  12:00p
KBD02    SYS     15650 10-21-87  12:00p
KBDCALLS DLL      7232 10-21-87  12:00p
MONCALLS DLL      7351 10-21-87  12:00p
MOUCALLS DLL      5701 10-21-87  12:00p
MSG      DLL      6578 10-21-87  12:00p
NLS      DLL      5162 10-21-87  12:00p
OSO001   MSG     64808 10-21-87  12:00p
PRINT01  SYS      7683 10-21-87  12:00p
PRINT02  SYS      9018 10-21-87  12:00p
QUECALLS DLL     11238 10-21-87  12:00p
SCREEN01 SYS      1583 10-21-87  12:00p
SCREEN02 SYS      1988 10-21-87  12:00p
SESMGR   DLL     24262 10-21-87  12:00p
SWAPPER  EXE      4150 10-21-87  12:00p
SYS      COM     32056 10-21-87  12:00p
SYSBAS   EXE      5336 10-21-87  12:00p
SYSDISK  COM     37824 10-21-87  12:00p
SYSDISP  CMD        72 10-21-87  12:00p
SYSINST  CMD       237 10-21-87  12:00p
SYSINST  LIB     82432 10-21-87  12:00p
SYSINST  PIP     21964 10-21-87  12:00p
SYSLABL  EXE      6896 10-21-87  12:00p
VIOCALLS DLL     13981 10-21-87  12:00p
       55 file(s)    1115375 bytes
                      328192 bytes free

Directory of IBM OS/2 1.0 (Disk 1)

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

IBMBIO   COM      4096 10-21-87  12:00p
IBMDOS   COM    255665 10-21-87  12:00p
ABIOS    SYS        49 10-21-87  12:00p
ANSICALL DLL      3637 10-21-87  12:00p
BKSCALLS DLL      5704 10-21-87  12:00p
BMSCALLS DLL      2576 10-21-87  12:00p
BVSCALLS DLL     31744 10-21-87  12:00p
CLOCK01  SYS      2762 10-21-87  12:00p
CLOCK02  SYS      3188 10-21-87  12:00p
CMD      EXE     57648 10-21-87  12:00p
COMMAND  COM     25564 10-21-87  12:00p
COUNTRY  SYS     14632 10-21-87  12:00p
CPISPFPC DLL    108598 10-21-87  12:00p
DISK01   SYS     18616 10-21-87  12:00p
DISK02   SYS     20329 10-21-87  12:00p
DOSCALL1 DLL      8709 10-21-87  12:00p
DMPC     EXE      2472 10-21-87  12:00p
DTM      DLL      2222 10-21-87  12:00p
FORMATS  TBL       590 10-21-87  12:00p
F80000   BIO      9216 10-21-87  12:00p
F80100   BIO      8704 10-21-87  12:00p
FC0400   BIO      6656 10-21-87  12:00p
FC0500   BIO      9216 10-21-87  12:00p
HARDERR  EXE     16288 10-21-87  12:00p
ISPD     MSG      1542 10-21-87  12:00p
ISPM     MSG       500 10-21-87  12:00p
KBD01    SYS     16945 10-21-87  12:00p
KBD02    SYS     15650 10-21-87  12:00p
KBDCALLS DLL      7232 10-21-87  12:00p
KEYBOARD DCP     85917 10-21-87  12:00p
MONCALLS DLL      7351 10-21-87  12:00p
MOUCALLS DLL      5701 10-21-87  12:00p
MSG      DLL      6578 10-21-87  12:00p
NLS      DLL      5162 10-21-87  12:00p
OSO001   MSG     64808 10-21-87  12:00p
PRINT01  SYS      7683 10-21-87  12:00p
PRINT02  SYS      9018 10-21-87  12:00p
QUECALLS DLL     11238 10-21-87  12:00p
SCREEN01 SYS      1583 10-21-87  12:00p
SCREEN02 SYS      1988 10-21-87  12:00p
SESMGR   DLL     24262 10-21-87  12:00p
SHELL11F AIF       524 10-21-87  12:00p
SHELL11F AII       150 10-21-87  12:00p
SHELL11F CNF       201 10-21-87  12:00p
SHELL11F EXE     31676 10-21-87  12:00p
SHELL11F LIB     41472 10-21-87  12:00p
SHELL11F PRO       157 10-21-87  12:00p
SPOOLCP  DLL      9828 10-21-87  12:00p
STXTDMPC DLL     12569 10-21-87  12:00p
SWAPPER  EXE      4150 10-21-87  12:00p
VIOCALLS DLL     13981 10-21-87  12:00p
VIOTBL   DCP     52150 10-21-87  12:00p
4201     DCP     17069 10-21-87  12:00p
5202     DCP       404 10-21-87  12:00p
       54 file(s)    1076370 bytes
                      367104 bytes free

Directory of IBM OS/2 1.0 (Disk 2)

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

ANSI     EXE      9984 10-21-87  12:00p
ANSI     SYS      1694 10-21-87  12:00p
APPEND   EXE      6258 10-21-87  12:00p
ASSIGN   COM      1683 10-21-87  12:00p
ATTRIB   EXE     29080 10-21-87  12:00p
CHKDSK   COM     49232 10-21-87  12:00p
COMP     COM     33056 10-21-87  12:00p
DISKCOMP COM     38400 10-21-87  12:00p
DISKCOPY COM     39456 10-21-87  12:00p
DOSCALLS LIB     29184 10-21-87  12:00p
EDLIN    COM      8135 10-21-87  12:00p
EGA      SYS      2110 10-21-87  12:00p
EXTDSKDD SYS      1877 10-21-87  12:00p
FDISK    COM     37824 10-21-87  12:00p
FIND     EXE     27424 10-21-87  12:00p
FORMAT   COM     47344 10-21-87  12:00p
GRAFTABL COM      7112 10-21-87  12:00p
HELP     BAT       444 10-21-87  12:00p
HELP     CMD       439 10-21-87  12:00p
HELPMSG  EXE     27408 10-21-87  12:00p
JOIN     EXE     21040 10-21-87  12:00p
KEYB     COM     12636 10-21-87  12:00p
LABEL    COM     26372 10-21-87  12:00p
LINK     EXE     91880 10-21-87  12:00p
MODE     COM     54932 10-21-87  12:00p
MORE     COM     48354 10-21-87  12:00p
PRINT    COM     28492 10-21-87  12:00p
RECOVER  COM     36928 10-21-87  12:00p
REPLACE  EXE     33568 10-21-87  12:00p
SORT     EXE     29946 10-21-87  12:00p
SPOOL    EXE     77370 10-21-87  12:00p
SUBST    EXE     21024 10-21-87  12:00p
SYS      COM     32056 10-21-87  12:00p
TRACE    EXE     10474 10-21-87  12:00p
TRACEFMT EXE     64432 10-21-87  12:00p
TREE     COM     28928 10-21-87  12:00p
VDISK    SYS      4662 10-21-87  12:00p
XCOPY    EXE     40656 10-21-87  12:00p
       38 file(s)    1061894 bytes
                      386048 bytes free

Directory of IBM OS/2 1.0 (Disk 3)

 Volume in drive A has no label

Directory of A:\

BACKUP   COM     49216 10-21-87  12:00p
BASIC    COM       585 10-21-87  12:00p
BASICA   COM     36253 10-21-87  12:00p
COM01    SYS      8758 10-21-87  12:00p
COM02    SYS     13366 10-21-87  12:00p
CREATEDD EXE     48032 10-21-87  12:00p
MORTGAGE BAS      6380 10-21-87  12:00p
MOUSEA00 SYS     16950 10-21-87  12:00p
MOUSEA01 SYS     16438 10-21-87  12:00p
MOUSEA02 SYS     16438 10-21-87  12:00p
MOUSEA03 SYS     16438 10-21-87  12:00p
MOUSEA04 SYS     16438 10-21-87  12:00p
MOUSEB00 SYS     17462 10-21-87  12:00p
MOUSEB01 SYS     17462 10-21-87  12:00p
MOUSEB02 SYS     17462 10-21-87  12:00p
MOUSEB05 SYS     17462 10-21-87  12:00p
OSO001H  MSG     83964 10-21-87  12:00p
PATCH    EXE     37132 10-21-87  12:00p
POINTDD  SYS      5886 10-21-87  12:00p
RESTORE  COM     54896 10-21-87  12:00p
SETCOM40 EXE      8654 10-21-87  12:00p
INTRO        <DIR>     10-21-87   2:10p
       22 file(s)     505672 bytes

Directory of A:\INTRO

.            <DIR>     10-21-87   2:10p
..           <DIR>     10-21-87   2:10p
INTA     MSG       879 10-21-87  12:00p
INTB     MSG      1469 10-21-87  12:00p
INTC     MSG      1076 10-21-87  12:00p
INTRO    CMD       202 10-21-87  12:00p
INTRO    CNF       143 10-21-87  12:00p
INTRO    LIB    109056 10-21-87  12:00p
INTRO    PRO        93 10-21-87  12:00p
INTROE   EXE     39580 10-21-87  12:00p
       10 file(s)     152498 bytes

Total files listed:
       33 file(s)     658170 bytes
                      789504 bytes free