Operating System/2 Version 2.1 at a Glance: Revision history

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11 July 2025

8 July 2025

29 June 2025

  • curprev 18:5618:56, 29 June 2025 Martini talk contribs 16,289 bytes +16,289 Created page with " Operating System/2* Version 2.1 at a Glance Addressable 48MB of EMS/XMS memory per application; up to 512MB memory per application written to the DOS Protect Mode Interface (DPMI) specification Addressability 32-bit Preemptive Concurrent processing of multiple applications; multitasking fast and easy movement among applications; protection between applications Ease-of-use Work..."