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'''OS/2''' ('''Operating System/2''') | '''OS/2''' ('''Operating System/2''') is an operating system originally developed jointly by [[Microsoft]] and IBM, in development was codenamed "CP/DOS". Between the release of [[Windows 3.0]] and [[OS/2 1.3]], Microsoft stopped all cooperation with IBM, due to a feud between the companies' significantly different cultures and visions. IBM later on handled the development of the operating system by itself. | ||
OS/2 | OS/2 has features like a virtual DOS machine, the WIN-OS/2 subsystem (Windows 3.0/3.1x inside OS/2), Presentation Manager, and more. | ||
Microsoft later used OS/2 code to develop [[Windows NT 3.1]]. | Microsoft later used the OS/2 code to develop [[Windows NT 3.1]]. The code was later used by Serenity Systems to develop [[eComStation]] in 2001, which in turn was used by Arca Noae LLC to develop ArcaOS in 2017. | ||
NEC sold a port of the Japanese localized version for their PC-9801 series of computers. This port features NEC copyrights as well as IBM and/or Microsoft copyrights along with NEC's own modified version of DOS. | NEC sold a port of the Japanese localized version for their PC-9801 series of computers. This port features NEC copyrights as well as IBM and/or Microsoft copyrights along with NEC's own modified version of DOS. | ||