Timeline History of Operating System/2
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Timeline
- 1985
- ADOS project
- 1985-1986
- Developing versions called NEWDOS, DOS 5, DOS 286, Big DOS, CP/DOS, developed from DOS 3.2 and MT-DOS.
- 1987 December
- OS/2 1.0 SE.
- Announced with the PS/2 in April, and delivered in December 1987. 16-bit system for 80286 protected mode, multitasking, memory management, protection, dynamic linking, (incomplete) 16-bit API, DOS support
- 1988
- OS/2 1.0 EE. Communications (SNA, X.25, LAN Manager), database (Query manager, SQL)
- 1988
- OS/2 1.1 SE. Presentation Manager (PM)
- 1989
- OS/2 1.1 EE. Remote database
- 1989
- OS/2 1.2 SE. High Performance File System (HPFS), Installable File System (IFS)
- 1990
- OS/2 1.2 EE. Better PM, TCP/IP and Ethernet
- 1990
- OS/2 1.3 SE.
- 1991
- OS/2 1.3 EE.
- 1992 March
- OS/2 2.0. First 32-bit system. 32-bit API, paging, Workplace Shell (WPS). Multiple DOS (and Windows 3.x) sessions.
- 1993
- OS/2 2.1.
- OS/2 for Windows.
- 1994
- OS/2 2.11.
- OS/2 Warp 3.
- 1995
- OS/2 Warp Connect 3.
- 1996 November
- OS/2 Warp 4.