Microsoft OS/2 1.0 revision 3.42.1.1

Microsoft OS/2 1.0 Revision 3.42.1.1 is the build of OS/2 1.0 that was included with Microsoft OS/2 SDK 1.00 and 1.01. The SDK 1.01 release includes the Program Selector shell with the build.

Quirks
This build identifies itself as version 10.0.