Operating System Beta, etc. Wiki
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OS/2 1.0 is the first version of OS/2 to be released; it contained no GUI. It was originally meant to be DOS 5.0, and in fact some early documentation refers to "DOS 5.0" rather than "OS/2".

Builds

Buildlist-Green.png Microsoft OS/2 Version 10.0 Internal Revision 3.42.1.1 (1987-05-08) - OS/2 SDK 1.00 build

<TODO: get build number of OS/2 1.0 RTM>

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