IBM OS/2 1.0

This was the first release of IBM OS/2 under the partnership with Microsoft. It was marketed as the 'platform for the '90s'. OS/2 1.0 was a 16-bit OS and did not include a GUI on this release. It was initially announced on April 2nd, 1987 and its estimated shipping date was the first quarter of 1988, but it was actually released early in December 1987.


 * Features
 * 16-bit multitasking protected-mode operating system with pre-emptive scheduling, multi-threading, dynamic linking, and virtual memory.
 * Memory protection capabilities.
 * Supports up to 16 MB RAM.
 * OS/2 development API.
 * FAT file system support.
 * Supported shared memory, pipes, queues, semaphores, and signals.

Version 1.0 was text mode only without Presentation Manager (GUI).

IBM Operating System/2 Extended Edition Version 1.0 (OS/2 EE 1.0) provides the capabilities of OS/2 Standard Edition Version 1.0, and adds relational Database and Communications Managers into a single product package.
 * Extended Edition
 * Program number: 5604-097
 * Part numbers: 07F7216 (3,5"), 07F7216 (5,25")
 * Date of announcement: 9 August 1988 (US: July 19, 1988)
 * Date of shipment: 31 August 1988 (US: July 29, 1988)
 * End of Service date: (US: July 29, 1989)

Releases

 * Standard Edition
 * IBM OS/2 Standard Edition 1.0


 * Extended Edition
 * IBM OS/2 Extended_Edition 1.0
 * IBM OS/2 Extended Edition 1.0 - 90X7934 - English - 3.25-inch Media

Pictures

 * OS2World IBM OS/2 1.0 Picture Gallery

Links

 * OS/2 Museum - Version 1.0
 * PS/2 and IBM PC Product Reference Version 4.0
 * IBM Announcements:
 * [//www-01.ibm.com/common/ssi/ShowDoc.wss?docURL=/common/ssi/rep_ca/9/897/ENUS287-099/index.html 287-099] April 2, 1987 US - Last Revised on April 2, 1987. IBM OPERATING SYSTEM/2 (TM) STANDARD EDITION.
 * [//sda-prod.mybluemix.net/common/ssi/ShowDoc.wss?docURL=/common/ssi/rep_ca/3/897/ENUS288-383/index.html 288-383] Jul 19, 1988. IBM OPERATING SYSTEM/2 (TM) EXTENDED EDITION VERSION 1.0 AVAILABLE.
 * [//sda-prod.mybluemix.net/common/ssi/ShowDoc.wss?docURL=/common/ssi/rep_ca/1/897/ENUS289-011/index.html 289-011] Jan 24, 1989. IBM OPERATING SYSTEM/2 (TM) (OS/2 (TM)) VERSION 1.0 WITHDRAWAL FROM MARKETING
 * [//www-01.ibm.com/common/ssi/rep_ca/5/897/ENUS289-625/ 289-625] November 14, 1989 US - Last Revised on November 14, 1989. STATEMENT OF DIRECTION FOR DOS, OS/2 AND LAN OFFERINGS.