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In 1990, the strategic PC operating system of Microsoft and IBM was not DOS, not Windows, but OS/2. The first 16-bit OS/2 was initially released in 1987 with a reduced feature set, but by the end of 1989, OS/2 1.2 completed two major features: The Presentation Manager GUI (first seen in OS/2 1.1) and installable fil...

A few months ago, the OS/2 Museum obtained a seemingly complete and error-free set of floppies with Advanced NetWare 286 2.0a SFT II. And just recently, a disk set of Advanced Netware 86 2.0a turned up, though sadly incomplete. Both releases are from 1986 and share one rather unpleasant feature: The NetWare OS won’t...

At the end of December 2023, several disk images of very old versions of Seattle Computer Products 86-DOS unexpectedly turned up. This includes previously unseen releases of 86-DOS version 0.11 and 0.34 (going by the version number in the 86-DOS kernel). Just how old these releases are is somewhat difficult to estab...