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Home of the original IBM PC emulator for browsers.
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.
[PCjs Machine "ibm5170"]
Waiting for machine "ibm5170" to load....
Directory of IBM OS/2 1.0 (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
VENDOR-# DO1* 0 7-04-83 12:00a
56 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
VENDOR-# DO1* 0 7-04-83 12:00a
55 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
VENDOR-# DO1* 0 7-04-83 12:00a
39 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
VENDOR-# DO1* 0 7-04-83 12:00a
23 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