IBM Announcement Letters
OS/2 Warp 4.5x
- Changes in support for IBM OS/2 Warp 4 and OS/2 Warp Server for e-business - Withdrawal Announcement - July 12, 2005
OS/2 Warp 4
OS/2 Warp 3
OS/2 2.x
- IBM INTRODUCES OS/2 2.1 WITH NEW ADVANCED FUNCTION, IMPROVING THE INDUSTRY'S PROVEN 32-BIT OPERATING SYSTEM by IBM [5] (May 18, 1993)