Lotus Development files a lawsuit against Paperback Software and Mosaic because their spreadsheets look and operate like Lotus 1-2-3. Lotus wins. This marks the first of the big "look and feel" lawsuits and prevents Microsoft from using any trash-canlike icon on its desktop for eight years, because that would make it actionably similar to Mac OS.
Microsoft announces and ships Windows 2.0, which goes on to sell 1 million copies (many of them bundled with a Microsoft Mouse). The MS-DOS Executive continues as the file management program of choice.
In this same period, IBM and Microsoft ship a new joint-venture graphical operating system called OS/2; it's intended to replace Windows and DOS altogether.
The first version of Microsoft/IBM's OS/2 ships.
1988
Apple launches a look-and-feel lawsuit against Microsoft and Hewlett-Packard because Windows 2.03 and HP's NewWave application resemble the Macintosh's operating system. NewWave runs on top of Windows (which runs on top of DOS) and adds such features as a trash can icon that contains deleted files. Hewlett-Packard drops the NewWave, but Microsoft holds on until 1993, when it eventually wins.
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MS-DOS Executive. |
Microsoft breaks with the tradition of releasing new products with sequential numbering. The upgrade to Windows 2.0 isn't called Windows 2.1; instead, the company releases two versions, Windows 286 and Windows 386, named after the Intel chips they run on. This marks the first case of a splintering Windows market, eventually leading to the flavors CE, NT, and 95.
Microsoft and IBM release OS/2 2.1 with a new graphical interface called Presentation Manager.